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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the following table contains data from a study of two airlines which fl…
B. \(\frac{43}{87}\)
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fill in the blank. two events a and b are ____ if the occurrence of one…
independent
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base probability review worksheet - fall 2023 a six - sided die is roll…
1. **Explanation**: - **Step1: Recall probability formula** The probability of an event \(E\), \(P(E)=\frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}\)…
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use the data in the following table, which lists drive - thru order acc…
The probability of getting an order from Restaurant A or an order that is accurate is approximately $0.905$. The events of selecting an order from Restaurant A and selecting an ac…
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multiple choice question when you are presenting your speech to an audi…
D. cite your sources orally
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multiple select question select all that apply using quotes accurately …
- making sure you do not quote out of context - making sure you do not misquote anyone
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multiple choice question daniel is presenting his speech to his classma…
He failed to cite his sources orally.
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select all that apply what two things should you do when including stat…
- D. Make sure the statistics included are easy to grasp. - E. Include statistics only when they are needed.
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multiple choice question a politician refers to a proposed new program …
B. quoting out of context
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what guideline should you follow when including statistics in a speech?…
A. Use only the most important statistics.
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select all that apply which three are guidelines for the effective use …
- Use statistics sparingly. - Use visual aids to clarify statistical trends. - Explain any statistics that are used.
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quotations or paraphrases from trusted sources that are used to support…
A. testimony
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multiple choice question polly is giving a speech about the world econo…
She could have translated the large numbers into terms listeners can relate to.
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true or false question listeners do not generally care whether or not a…
B. False
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select all that apply. what two things should you do when including sta…
- B. Include statistics only when they are needed. - E. Assume that the statistics you find are representative.
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select all that apply which three are tips for using statistics? □ do n…
- B. Use numbers sparingly. - D. Name the source of statistics. - F. Round off numbers.
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multiple choice question you have decided to take up running. you have …
D. testimony
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select all that apply. what are two things you should do to make sure y…
- Different groups of a population sample must be in correct proportion. - The sample size must be large enough.
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multiple select question select all that apply ivan is giving a speech …
- A. He explained the statistics in a way that would be meaningful to the audience. - C. He provided a visual for large statistics.
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statistics cannot be distorted or manipulated. o true o false
B. False
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multiple choice question statistics are similar to ______ in that they …
B. brief examples
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multiple choice question the goal of reinforcing an example with statis…
A. typical
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multiple select question select all that apply which three questions sh…
- Do I use statistics to quantify my ideas? - Do I give exact numbers? - Are my numbers from reliable sources?
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multiple choice question when using statistics in a speech, a speaker s…
that the statistics are representative of what they claim to measure
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multiple choice question darrell huff, author of how to lie with statis…
B. do not lie
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select all that apply which two statements about using statistics in a …
- They can be used to show the seriousness of an issue. - They can be an effective way to clarify and support ideas.
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select all that apply when using a hypothetical example in a speech, it…
B. statistics, C. testimony
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differentiate between population density and population distribution.
Population density is a numerical measure of the number of people per unit area/volume. Population distribution is the spatial pattern of where people are located.
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lobbyist for the logging company: im asking you to help encourage congr…
Straw Man
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a runner for team 1 can run a race in 58.2 seconds. team 1 has running …
b) -5.00 c) -1.23 d) runner for team 1
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a child is 37.2 inches tall. the population of children of the same age…
a. child 2 b. - 0.31 c. - 0.43 d. child 1
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to adapt something means to it. change duplicate examine write
A. change
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when evaluating an adaptation, the reader should consider whether the a…
tone
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read the excerpt from act i, scene v of romeo and juliet. romeo: so sho…
She's so beautiful that she stands out from that crowd.
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read the passage from romeo and juliet, act i, scene v. benvolio: away,…
updates the language.
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one way to discover tone is to study a texts , or the feelings associat…
connotations
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for the data shown above, find the following. round answer in the first…
36.6 km
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choose the correct answer below. a. an inherent zero is a zero that occ…
1. B. An inherent zero is a zero that implies none. 2. A. Number of years a college student was employed by a particular company, F. Average monthly precipitation in inches 3. B. …
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choose the correct answer below. a. an inherent zero is a zero that occ…
First question: B. An inherent zero is a zero that implies none. Second question: A. Number of years a college student was employed by a particular company; E. A student's level o…
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what is an inherent zero? describe three examples of data sets that hav…
B. An inherent zero is a zero that implies none.
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some of the top six final scores at the 2021 u.s. womens figure skating…
The data are quantitative at the ratio level of measurement.
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the graph to the right shows the annual number of fatalities, in thousa…
Horizontal axis: Interval Vertical axis: Ratio
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the graph to the right shows the annual number of fatalities, in thousa…
Interval
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the graph to the right shows the average annual income, in thousands, f…
For the horizontal axis: A. Interval For the vertical axis: D. Ratio
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the graph to the right shows the average annual income, in thousands, f…
Interval
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the graph to the right shows the responses to the question, \how seriou…
Identify the level of measurement of the data listed on the horizontal axis in the graph: Ordinal Identify the level of measurement of the data listed on the vertical axis in the …
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the graph to the right shows the responses to the question, \how seriou…
Ordinal
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the list of books that your friend read for school for the past five mo…
D. Nominal. The data are categorized using names, labels, or qualities, but the data cannot be ranked or arranged in order.
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the lengths (in centimeters) of 22 ford automobiles are listed. identif…
B. Ratio. The data can be ordered and differences between data entries are meaningful, and the zero entry is an inherent zero.
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determine whether the variable is qualitative or quantitative. explain …
C. The variable is quantitative because number of students is found by measuring or counting.
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determine whether the variable is qualitative or quantitative. explain …
B. The variable is quantitative because miles per gallon is found by measuring or counting.
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determine whether the variable is qualitative or quantitative. explain …
The variable is qualitative because types are non - numerical categories.
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determine whether the variable is qualitative or quantitative. explain …
The variable is quantitative because heights are numerical measurements.
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determine whether the variable is qualitative or quantitative. explain …
D. The variable is qualitative because gender describes an attribute or characteristic.
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determine whether the following statement is true or false. if it is fa…
D. The statement is false. A true statement is "For data at the interval level, you can calculate meaningful differences between data entries."
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name each level of measurement for which data can be quantitative. sele…
B. Interval, D. Ratio
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select all the levels of measurement for which data can be qualitative.…
A. Nominal C. Ordinal
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all it takes is one counterexample to prove a statement to be false. tr…
A. True
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passage (1) you might think car camping means that you literally sleep …
B. And
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passage (1) you might think car camping means that you literally sleep …
precisely
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quantitative reasoning. instructions: choose the best answer. if necess…
0.5
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2. a. what type of relationship does this graph suggest? b. what variab…
a. A non - linear (likely quadratic) relationship. b. Plot the number of accidents against the square of age.
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quantitative reasoning, algebra, and statistics - question 7 instructio…
$0.37$
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quantitative reasoning, algebra, and statistics - question 6 instructio…
5.86
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instructions the following sentence has a blank indicating that somethi…
D. established
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read the sentence. the look on the villains face seemed to be bursting …
B. baleful
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words with the word root \dorm\ will have a meaning related to birth. t…
sleep.
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how would a student justify inferring that \indigenous\ means \originat…
The word root "gen" means "birth," and the suffix "-ous" means "having the quality of something."
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read the following sentences. juanita used her affinity for numbers in …
A. an enjoyment of
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which sentence has an underlined word that means \leave\? during a fire…
A. During a fire drill, we evacuate the building.
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instructions the following sentence has a blank indicating that somethi…
C. eluded
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what does the structure of the word \altruistic\ tell the reader about …
The suffix tells the reader that the meaning is related to "having the quality of something."
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to find a words meaning, the reader can study the surrounding words, wh…
B. context clues
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calculate the ss, variance, and standard deviation for the population o…
The SS would be 72 The variance would be 9 The standard deviation would be 3
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3. (a) interpret what does jefferson mean by saying that people do not …
(a) He means not to change for trivial reasons. (b) Fear of instability and uncertainty.
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instructions the following sentence has a blank indicating that somethi…
B. accomplished
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2.2: tomato plants: histogram a histogram can be used to represent the …
The frequency table is completed as shown in the problem statement (40 - 50: 1, 50 - 60: 4, 60 - 70: 9, 70 - 80: 9, 80 - 90: 6, 90 - 100: 1) and the histogram is drawn as describe…
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below is the number of minutes leo played during each of his six basket…
A properly - drawn histogram with class intervals on the x - axis and frequencies on the y - axis, with bar heights 0, 1, 2, 1, 2 for intervals 0 - 5, 5 - 10, 10 - 15, 15 - 20, 20…
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question 4 1 pts (teks us.3.c) read the excerpt and answer the question…
Harsh conditions of tenement housing in U.S Cities
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writing a narrative about overcoming a challenge instruction active add…
Shawna's hostility toward me was revealed by her cold stare and crossed arms.
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the following data points represent the number of emails that the ceo o…
A histogram with class intervals 0 - 29, 30 - 59, 60 - 89, 90 - 119 having bar - heights 1, 2, 2, 2 respectively.
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the following data points represent the number of points the hawaii eag…
The histogram has bars with heights 2, 3, 2 for the bins 0 - 15, 15 - 30, 30 - 45 respectively.
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patsy the peacock sells rare feathers. below is the number of feathers …
The correct histogram should have bars with frequencies 1, 4, 2, 1 for bins 0 - 4, 5 - 9, 10 - 14, 15 - 19 respectively.
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in this quote, daisy, one of the characters in fitzgeralds novel, talks…
If Daisy's daughter is a fool, she won't realize how empty her life is.
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mr. ji scores his students essays on a 6 - point scale, where 6 is the …
3
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the following frequency table shows the number of fish caught by each o…
4
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the following dot plot shows the number of songs on each album in sals …
8
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the following dot plot shows the number of chocolate chips in each cook…
4
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the following dot plot shows the number of songs on each album in sals …
8
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the following dot plot shows the number of songs on each album in sals …
9
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the following dot plot shows the number of songs on each album in sals …
11
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the following dot plot shows the essay score for each student in mr. ji…
2
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the following frequency table shows the number of strokes it took each …
16
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the following frequency table shows the number of strokes it took each …
3
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a golfer makes a stroke when they swing their golf club to hit and move…
16
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2.3: tomato plants: box plot a box plot can also be used to represent t…
1. The median is 70. It represents the middle - value of the data set for the tomato plants such that half of the data values are less than or equal to 70 and half are greater tha…
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2.3: tomato plants: box plot a box plot can also be used to represent t…
The median is 70. It represents the middle - value of the data set for the tomato plants, such that half of the data values related to the tomato plants are less than or equal to …
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7 multiple choice 1 point replace each phrase in bold with a single wor…
B. Concise
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multiple choice 1 point replace each phrase in bold with a single word …
C. Avid
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multiple choice 1 point replace each phrase in bold with a single word …
C. Demean