统计与概率
数据分析、概率分布、假设检验与统计方法。
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1. the prefix means abnormally small. 2. the prefix means nature or phy…
micro - ### 2.
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determining possible survey questions determine the possible survey que…
- What is the average number of days per week that you color with markers? - What is your favorite type of pet?
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the heights of 200 adults were recorded and divided into two categories…
A. | | 6' or over | Under 6' | Total | |----------|------------|----------|-------| | Male | 12 | 86 | 100 | | Female | 3 | 97 | 100 | | Total | 15 | 185 | 200 |
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5.4.3 quiz: two-way frequency tables a taste test asks people from texa…
A. Yes, they are independent because \( P(\text{California}) \approx 0.55 \) and \( P(\text{California|brand A}) \approx 0.55 \).
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5.4.3 quiz: two-way frequency tables a medical company tested a new dru…
B. \( P(\text{side effects|child}) = 0.42 \), \( P(\text{side effects|adult}) = 0.12 \); Conclusion: Children have a much greater chance of having side effects than adults. (Calcu…
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sorting statistics the following groups can be measures with statistics…
1. Number of children who played in a local park the months of June, July, and August 2. Number of people who bought bananas at the Springfield Market on Saturday 3. Number of peo…
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5.4.3 quiz: two-way frequency tables a survey asked 60 students if they…
First, let's analyze the given data: - Total students: 60 - Students who play an instrument: 35 - Students in band: 30 - Students not in band: 30 Now let's check each option: ### …
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question 3 of 10 a survey asks teachers and students whether they would…
D. No, they are not independent because \( P(\text{student}) = 0.80 \) and \( P(\text{student|Viking}) \approx 0.94 \).
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question 10 of 10 which situation involves a conditional probability? a…
C. The probability that you make a second free throw given that you made the first free throw
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question 13 which quotation indicates the meaning of languid in paragra…
B. "glide slowly"
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question 10 what is the meaning of \deprecating\ as it is used in parag…
D. disapproving
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stem and leaf plots notes worksheet exercise: science gets your heart b…
| Stem | Leaf | |------|------| | 4 | 8 | | 5 | 5 | | 6 | 0, 1, 2, 3, 4, 5, 6, 6, 8 | | 7 | 0, 0, 1, 1, 2, 4, 4, 5, 6, 7, 7, 8, 9 | | 8 | 1, 6 |
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part ii – constructed response 1. the table below shows the age of chic…
### Part II - Constructed Response #### 1. a. Scatter Plot To draw the scatter plot: - **X - axis (Horizontal)**: Label it "Age in Years (x)". The values of \( x \) are \( 3, 2, 7…
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1-35. read the math notes box for this lesson and review the informatio…
82
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question 3 of 10 you roll two number cubes. let event a = you roll an e…
D. Independent, because the outcome of the first roll doesn't affect the outcome of the second roll.
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question 2 of 10 a and b are mutually exclusive events. p(a) = 0.60 and…
C. 0.90
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unit 3 session 3 the arithmetic mean 2. a group of 20 students earned a…
B. 39.0 ### Question 3
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8. people were asked whether they owned a pet and if they visited the z…
A. 50 people who own a pet visited the zoo, B. 30 people who do not own a pet visited the zoo, D. 140 people were surveyed
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7. a linear regression was performed and the information about the data…
C. The data shows a weak positive correlation because the \( r \)-value is close to 0.
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6. which of these scatter plots has a good line of best fit? a. scatter…
C
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for numbers 4a – 4d, circle true or false for each statement based on t…
TRUE ### 4b
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m. fortier had played first violin in the orchestra ever since – well, …
C. intermittently
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part i – selected response 1. how would you describe the association in…
C. Negative association ### Question 2a
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2. an athletic trainer at the university of missouri hypothesizes that …
The null hypothesis (\(H_0\)) is: There is no difference in the average ounces of water consumed between football players and soccer players (i.e., the average ounces of water con…
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directions: examine the data sets given in the problems below and answe…
The mean number of hours of sleep is 6. ### Part c
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4. julie has 27 grapes to divide evenly among 3 friends. she thinks the…
Julie is correct. The factor pairs of 27 include \( (3, 9) \) (since \( 3\times9 = 27 \)). This means 3 is a factor of 27, so dividing 27 grapes evenly among 3 friends (each frien…
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question 4 (mandatory) (10 points) before you start the interview, ask …
D. you can record it ### Question 5
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im nobody! i by emily 18 emily dickinson (1830-1886) was an american ma…
B. It is better to maintain a private identity than seek fame and recognition. ### Question 2
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text-dependent questions for the following questions, choose the best a…
To answer these text - dependent questions, we need the actual poem that these questions are based on. Without the poem, we can't provide specific answers. For example, for questi…
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3. dickinson is famous for isolating herself from society. in the conte…
To Dickinson, being alone (in the context of her poem, e.g., "I'm Nobody! Who are you?") is not mere physical isolation but a deliberate, enriching state. In her work, solitude is…
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directions: brainstorm your answers to the following questions in the s…
- "Somebody": A person seeking public recognition, fame, and social approval (e.g., a public - facing figure following norms of visibility). - "Nobody": A person avoiding public a…
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lesson 1 practice problems 1. write a survey question for which you wou…
How many hours do you study per day? ### Sub - question 2: Write a survey question for categorical data
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multiple-choice question what does offside mean? the puck must cross th…
A. the puck must cross the blue line before any player on your team
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value: 3 what do you think tocqueville meant when he described urban ar…
b. Meaning, the poor filthy areas were populated by people who worked in factories, making others wealthy.
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now that you have read and examined the document, interpret the meaning…
b. Impressed by the success of factory wealth.
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match the items. a. new engines required stronger steel which meant the…
1. Textile - b. Improved through inventions like the mechanized loom and Spinning Jenny; it helped push the need for the steam engine. 2. Steam Engines, Iron, Steel - a. New engin…
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7) choose the best answer. which data would be a better representation …
A. data where the standard deviation is close to 0
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4) choose the best answer. which statement is true? the size of standar…
The greater the standard deviation, the greater the variation. ### Question 5
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define the term statistical significance. a measure that shows how much…
a measure of how meaningful the data is ### Question 2: Which THREE things does statistical significance tell us about data?
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as the internet became more widespread, social media platforms grew exp…
C. increased very quickly (assuming the options are labeled A, B, C, D with C being "increased very quickly")
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in which way does a speech differ from other forms of persuasive writin…
C. A speech is meant to be delivered orally, often to a live audience.
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in the novel, the protagonist gets ensnared in a web of deceit. this me…
A. becomes trapped or caught up in the deceptive situation.
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in many discussions about favorite ice cream flavors, there is a notice…
D. that chocolate and vanilla enthusiasts have strong opposing preferences.
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once luxury items, smartphones have become ubiquitous, resulting in maj…
A. found everywhere and commonly seen.
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once luxury items, smartphones have become ubiquitous, resulting in maj…
A. found everywhere and commonly seen.
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a study of 818 senior citizens shows that participants who exercise reg…
First blank: cannot Second blank: increases Third blank: less of a decline
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suppose a survey of 915 major-appliance shoppers found that 25% bought …
B. 25% of major - appliance shoppers in the sample bought extended warranties ### Second Sub - Question (Inference)
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suppose a survey of 915 major appliance shoppers found that 25% bought …
B. 25% of major - appliance shoppers in the sample bought extended warranties.
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suppose a survey of 595 women in the united states found that 64% are t…
B. 64% of women in the sample are the primary investor in their household. ### Second Question (Inference)
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suppose a survey of 595 women in the united states found that 64% are t…
B. 64% of women in the sample are the primary investor in their household.
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determine whether the underlined number describes a population paramete…
C. The number is a population parameter because it is a numerical description of all of the passengers that survived.
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determine whether the underlined value is a parameter or a statistic. i…
B. Statistic
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a survey of 1001 u.s. adults found that 46.8% of respondents typically …
A. The responses of all U.S. adults ### Second Sub - Question (Sample)
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a survey of 1001 u.s. adults found that 46.8% of respondents typically …
A. The responses of all U.S. adults ### Second Question (Sample)
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a survey of 1001 u.s. adults found that 46.8% of respondents typically …
A. The responses of all U.S. adults
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identify the population and the sample. describe the sample data set. a…
all law firms in the country ### For identifying the sample:
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use the venn diagram to identify the population and the sample incomes …
A. The incomes of adults in Arizona ### Part 2: Sample Description
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use the venn diagram to identify the population and the sample. incomes…
A. The incomes of adults in Arizona
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determine whether the data set is a population or a sample. explain you…
B. Population, because it is a collection of salaries for all teachers in the school.
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question: rapid ____ in russia meant crowded, unsanitary, and dangerous…
urbanization (or industrialization)
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determine whether the data set is a population or a sample. explain you…
A. Population, because it is a collection of ages for all members of the House of Representatives.
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determine whether the following statement is true or false. if it is fa…
D. The statement is false. A sample statistic can change from sample to sample.
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determine if the statement is true or false. if it is false, rewrite it…
A. The statement is true.
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what are the two main branches of statistics? the two main branches of …
descriptive statistics and inferential statistics
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what is the difference between a parameter and a statistic? a parameter…
First blank: population Second blank: sample
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question 2 open the graphing tool, and select the data tab. copy and pa…
To solve this problem, we need to follow these steps (assuming we have the data table, which is not provided here, but the general process is as follows): ### Step 1: Prepare the …
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how is a sample related to a population? choose the correct answer belo…
A. A sample is a subset of a population.
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question 8 of 20 : select the best answer for the question. 8. what was…
A. To provide soldiers and bureaucrats
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what is syntax? (1 point) a group of sentences set apart from other gro…
D. The set of grammatical rules that determine how words and phrases are arranged in a sentence.
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read the beginning of trevor’s narrative. student work thinking back on…
to capture the reader’s attention by creating suspense about his best friend
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57. complete each sentence using the vocabulary term that makes the mos…
To solve this, we analyze each sentence and match with the appropriate vocabulary term: ### 1. "The ____ sunlight blinded Farquar..." - "luminous" means giving off light, so it fi…
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question: which term is used to describe the exchange of commercial goo…
D. Columbian Exchange
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draw a pie chart representation of roxy’s one-year budget plan using th…
To draw a pie chart for Roxy’s one - year budget plan, we can follow these general steps (assuming we have the expense and income data from parts B - E, which are not fully shown …
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question: which event marked the beginning of the thirty years war? ans…
The Defenestration of Prague
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54. complete each sentence using the vocabulary term that makes the mos…
To solve this, we analyze each sentence and match with the appropriate vocabulary term: 1. **"The bridge and all its ____ were under military guard."** *Appurtenances* means assoc…
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51. complete each sentence using the vocabulary term that makes the mos…
To solve this, we analyze each sentence and match with the appropriate vocabulary term: 1. **"With no hope of ____, the man on the bridge closed his eyes."** *Egress* means "a way…
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question: maiz de ocho means ____. answer input: spelling counts but ca…
eight - row corn
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part c one of the variable expenses that roxy knows shell need to inclu…
Roxy should budget approximately \(\$180.42\) each month for utilities. The reasoning is that we first sum all the utility costs for the past year (\(215 + 200 + 225 + 189 + 197 +…
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question: what does hagia sophia mean in greek? answer options: select …
Divine wisdom
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english 9b - standard (15111) puns were used by shakespeare to ○ explai…
B. add humor or hidden meanings to a scene.
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exam lesson name: ancient civilizations exam number: 700690rr ▶ exam gu…
D. It's simpler and easier to learn.
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suppose the conditional ( p \to q ) is true and the conditional ( q \to…
B. No, \( p \to r \) is not necessarily false. If \( q \to r \) is false, then \( q \) is true and \( r \) is false. This means that either \( p \) is true and \( r \) is false, s…
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question: what does the phrase negusa nagast mean? answer options: sele…
D. King of kings (assuming the options are labeled A: God, B: Emperor of emperors, C: Empress, D: King of kings; if labels differ, adjust to the correct label with "King of kings")
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setting focus draw the setting from the beginning of the novella. write…
To answer these reading comprehension questions, we analyze the text (likely from *Of Mice and Men*): ### 1. Why is George being mean to Lennie? George is frustrated with Lennie’s…
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question 3 (2 points) ** (words in context question) the following text…
b. An extraordinary
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standards: 8.eea.3, 8.eea.4 directions: for numbers 1-20, convert each …
Let's solve each problem step by step (assuming "opposite" here means converting between standard and scientific notation, or vice - versa. Let's take each number: ### Problem 1: …
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the growth of labor unions 4. identify arguments what did socialists in…
In the 1800s, socialists advocated for the abolition of private ownership of the means of production, collective ownership of production resources, strengthening labor unions to a…
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question: the first qin ruler took the new name of shi huangdi, which m…
First Emperor
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question: the first qin ruler took the new name of shi huangdi, which m…
First Emperor
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vocabulary activity (continued) the renaissance and reformation 18. ___…
False ### Question 19
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what is the denotation of a word? ○ its literal meaning ○ its implied m…
A. its literal meaning
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which statements describe the last two lines of a shakespearean sonnet?…
A. They rhyme with each other B. They are referred to as a couplet D. They may reinterpret the poem’s meaning
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which is one difference between a graphic novel and a memoir? ○ only me…
B. Only graphic novels use speech bubbles to show dialogue
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question: whats the meaning of the term mesopotamia? answer options: se…
B. The land between the two rivers
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what does the word etymology mean in this sentence? the word computer d…
the study of a word's origin and changing meanings
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what does the word zealot mean in the first sentence? the zealot refuse…
A. fanatic
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read the sentence. many teenagers are accused as being recalcitrant by …
B. defiant (assuming the options are labeled with letters, if not, just "defiant")
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look at the frame from one war ends, another begins. which excerpt from…
A. Later on arrived a shipload of supplies from the business people of New York, which were stored with the Galveston committee, and we were asked to aid in the distribution of th…
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based on context clues, what is the meaning of the word heinous in the …
A. hateful
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15. for each of the following experiments, choose “scatter plot” or “ba…
Scatter plot (diagrama de dispersión). Justificación: Se trata de dos variables numéricas (tiempo de calentamiento y temperatura final) y el diagrama de dispersión es adecuado par…