Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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quiz 2 - economic systems do not write on this paper (directions: for #…
1. C 2. B 3. B 4. A 5. C 6. C 7. B 8. A 9. B 10. C 11. b 12. a 13. d 14. b 15. c
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use the graph to answer questions 13 and 14 13. in the distribution abo…
D. smaller than the mean
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comparing differences between the u.s. american meaning of food and the…
There is more regular daily exercise, Serving sizes are smaller
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comparing differences between the u.s. american meaning of food and the…
Express more stress about body image and healthy eating, Focus on quantity
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8. the graph shows the linear relationship between number of bagels a b…
The rate of change is \(-5\) (which means for each additional customer served, the number of bagels remaining decreases by \(5\)).
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the high temperature outside one day is 120 degrees. the high temperatu…
Less than 15 weeks have passed if the high temperature is above 60 degrees.
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the scores on the push - up portion of a physical fitness test had a me…
The mean would increase and the median would stay about the same.
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debra is planning to rent a hotel conference room for an event. the fun…
(a) \(R(5) = 14\) (b) The answer to part (a) means the cost is \(14\) dollars to rent the room for \(5\) hours.
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a bowl has 9 green grapes and 13 red grapes. henry randomly chooses a g…
about \(15.6\%\)
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a bowl has 9 green grapes and 13 red grapes. henry randomly chooses a g…
about \(15.6\%\)
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6 multiple choice 1 point the histogram shows the distributions of essa…
The distribution of sophomores' scores is right - skewed, and the distribution of juniors' scores is left - skewed.
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for each year of his 9 - year career, brent recorded the fastest time h…
The mean is \(\mu = 52.4\). Over the last 9 years, Brent's average time was 52.4 seconds. So the first option (The mean is \(\mu=52.4\). Over the last 9 years, Brent's average tim…
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which scenarios use the correct mean, population (μ), or sample (x̄) to…
A. A café owner wants to determine the average pay per week for all his employees. The mean should be calculated using population ($\mu$). C. A psychology student surveys Dr. Kohl…
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a high school football team scores a total of 42 points by scoring touc…
a. B. \(3x + 7y = 42\) b. The \(x\) - intercept is \(14\), which means that the team scored 14 field goals and 0 touchdowns. The \(y\) - intercept is \(6\), which means that the t…
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use the drop - down menus to complete each sentence. mount grove high s…
First blank: population. Second blank: sample.
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using the histograms, what is a correct comparison of public and privat…
In both groups, more than 10 percent of salaries are greater than $55,000$.
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a brand of frozen green beans lists a weight of 32 ounces on its bag. b…
Eighty percent of the bags have a weight over 32.2 ounces.
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residents in a city are charged for water usage every three months. the…
\(\$175 - \$200\)
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a college student would like to investigate the prices of sandwiches of…
\(\$10 - \$11\)
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using the histograms, which of the following is the correct comparison …
The two distributions for number of cars in line are both skewed right.
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drivers pay a toll to pass over a busy bridge, and there are many toll …
20 - 30 cars
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which of the following correctly compares the variability in response t…
The variability in Hilltown's response times is greater than that of Crestview.
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the graph below displays a fire departments response time, which measur…
\(50 - 60\) seconds
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read the excerpt from a farewell to arms. the major asked me to have a …
allows the reader to fill in the details without being given all of the information.
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read the excerpt from hemingways a farewell to arms we parked the cars …
straightforward and simple, while still relating a lot of information to the reader
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read the excerpt from hemingways a farewell to arms the major asked me …
exhibit grace under pressure
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8. in the first game, kelly got a bowling score that was 9 points below…
We need to know Kelly's average bowling score.
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b. look at the value of ( y = 4,800cdot2^{d} ) when ( d=-1 ). what does…
b. \(d=-1\) means one day before the area of the fire was first measured. c. \(37.5\)
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ms. willems surveyed her students about how long they studied for their…
The majority of students studied between 4 and 8 hours.
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describing a distribution displayed in a the histogram shows the distri…
It is most common for states to have 4 or fewer roller skating rinks; The distribution of roller skating rinks is skewed right.
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a forest fire has been burning for several days. the burned area, in ac…
| \(d\), days since first measurement | \(y\), acres burned since fire started | |---|---| | \(0\) | \(4800\) | | \(1\) | \(9600\) | | \(2\) | \(19200\) | | \(3\) | \(38400\) | | …
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question 2 of 5 which math expression means \the quotient of an unknown…
D. \(x\div18\)
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question 1 of 5 which expression means \3 less than the quotient of a n…
C. $\frac{x}{7}-3$
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check your understanding - question 2 of 5 which expression means \25 l…
D. \(x - 25\)
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a family from the survey is selected at random. match the probability t…
From left - to - right: \(0.249\), \(0.203\), \(0.563\), \(0.624\)
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juniors and seniors were surveyed about whether they plan to attend a s…
B. The responses for the seniors and juniors are reversed.
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question 10 (multiple choice worth 1 points) (04.03r mc) a students cou…
75%
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4. what does it mean to refinance a mortgage? a. to sell the property b…
C. To replace the existing mortgage with a new one, often with better terms
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question 5 1 pts what is the difference between connotation and denotat…
Denotation is the literal meaning; connotation is the implied meaning.
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the list shows the mileage rating (in mpg) for some 2019 vehicles with …
20 - 25
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the list shows the mileage rating (in mpg) for some 2019 vehicles with …
10 - 15, 15 - 20, 20 - 25, 25 - 30, 30 - 35
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the graph shows the number of states and washington, dc, within each ra…
3 to 6, 6 to 9
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a fish population, p, can be represented by the equation ( p = 800 cdot…
A. \( 2400 \) (Incorrect) B. \( 6400 \) (Correct) C. \( 800 \) (Incorrect) D. \( 100 \) (Incorrect) For part b: Since \( t \) is time in years since the beginning of 2015, when \(…
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select the correct answer. there are 6 adult chaperones, 21 female stud…
D. \(\frac{29}{50}\)
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select the correct answer. joey has a box with 40 football and 120 base…
A. Joey’s selection of a card has no impact on Sylvia’s cards.
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a researcher wants to explore the relationship between the following tw…
B. Inference for regression
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what does \anon\ mean in contemporary language? soon later never always…
- First question: soon - Second question: Whence did he cometh?
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a researcher wants to explore the relationship between the following tw…
B. Inference for regression
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question 4 (multiple choice worth 1 points) (08.01r lc) strophic form m…
all sections in the song are identical
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what does \wherefore art thou romeo?\ actually mean? where are you, rom…
1. Why are you Romeo? 2. between
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the following people were very busy last week. complete the sentences a…
1. desayuné 2. entendieron 3. aprendimos 4. empecé 5. buscó 6. vendiste 7. saqué 8. tocé 9. dieron Proverb: "A caballo regalado no se le mira el diente" means "Don't look a gift h…
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which of the following words is a synonym for \forsooth\? never perhaps…
- First question: C. truly - Second question: D. from here
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question 2 (multiple choice worth 1 points) (08.01r mc) binary form mea…
there are two sections in the song
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researchers question whether there is a relationship between employment…
B. Chi - squared test for independence
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a researcher wants to explore the relationship between two variables: t…
A. Inference for regression
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a certain store sells t - shirts in 5 colors. the number of t - shirts …
(a) green, 11 (b) \(1\) (c) \(1\)
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a health researcher was interested in finding out whether the dash diet…
A. Matched pairs t - test
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a researcher wants to explore the relationship between the following tw…
A. Matched pairs
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movie executives want to know if a movie watchers heart rate increases …
B. ANOVA
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8. assume that during a three - hour period spent outside, a person rec…
- 8. Positive correlation - 9. No correlation - 10. Negative correlation - 11. Negative correlation - 12. Positive correlation - 13. Negative correlation - 14. No correlation - 15…
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we suspect that automobile insurance premiums (in dollars) may be stead…
B. Inference for regression
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we suspect the overall mean monthly rent of apartments in shadyside is …
A. Two - sample t - test
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the only ghost i ever saw by emily dickinson the only ghost i ever saw …
- First question: C. simile - Second question: b. The ghost's footsteps were quick and silent.
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in a 2012 report from the u.s. department of education breaking down th…
D. The null hypothesis of the chi - squared test for independence in this case is true.
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select the correct answer. two events, ( e_1 ) and ( e_2 ), are defined…
D. \(P(E_1\cap E_2) eq0\)
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meaningful monday date: story elements complete each sentence below. an…
**Story Elements** 1. protagonist 2. setting 3. antagonist **Synonyms or Antonyms** 1. antonyms 2. synonyms 3. antonyms 4. synonyms 5. synonyms **Pollination Question** b. A plant…
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the plot shows a negative linear relationship between the latitude of t…
D. $H_0$: Melanoma mortality rate is not linearly related to latitude. $H_a$: Melanoma mortality rate is linearly related to latitude.
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the crowd at a soccer game is estimated to be 1,200 people. the exact a…
6.3
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classify the scatter plots as having a positive, negative, or no correl…
1. No correlation. 2. Negative correlation. 3. No correlation. 4. Positive correlation. 5. Negative correlation. 6. No correlation. 7. Plot the points \((8,83),(7,86),(7,74),(8,88…
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georges parents are going on a cruise and are concerned about paying th…
automatic withdrawal
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the term ez perce\ comes from a ___ term meaning \pierced nose.\ a fren…
A. French
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brandon is making party decorations by selecting one of two kinds of ba…
The top - most blank (for the "heart" - shaped balloon's first basket) is "red", and the lower blank (the other balloon type) is "oval".
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vhsd.org bookmarks previous 2 next sample space and venn diagrams: mast…
B. \(H - H\), \(H - T\), \(T - T\), \(T - H\)
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what was the general feeling about the jazz age among members of the lo…
C. They found it meaningless and indulgent.
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choose words to create a meaningful dependent clause in each sentence. …
1. although 2. that 3. You should (assuming the context is giving driving - related advice) 4. since
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question 7 (8 points) directions: fill in the blank identify whether th…
1. coordinating conjunction 2. conjunctive adverb 3. subordinating conjunction 4. coordinating conjunction 5. conjunctive adverb 6. subordinating conjunction 7. conjunctive adverb…
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in the early 1900s, what did it mean for cities to be \dry\? cities had…
C. Cities restricted the sale and consumption of alcohol.
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question 1 1 pts what is the meaning of the shakespearean phrase \to th…
Be honest with yourself
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e) in general, all other aspects of the situation remain the same; will…
Smaller margins of error produce less confidence in the interval.
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3. read the information about the origin of the word augment from latin…
Enhancing and expanding abilities
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the stem - and - leaf plots compare the ages of 30 actors and actresses…
a. \(21\) years old b. \(66\)
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the stem-and-leaf plots compare the ages of 30 actors and actresses at …
a. \(21\) years old b. The age difference is \(85 - 19=66\) years old
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the story and data plots compare the ages of 30 actors and actresses at…
a. \(20\) years old b. \(60\) years
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the stem - and - leaf plots compare the ages of 30 actors and actresses…
\(21\)
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describing a histogram the histogram shows the average gas price by sta…
- The shape of the histogram is unimodal. - There is no an outlier. - The median average gas price is between \(\$2.25\) and \(\$2.50\). - The range varies from \(\$2.00\) to \(\$…
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h. a scatterplot showing the salary and years of experience of the empl…
A linear function best models this relationship.
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which r - value represents the most moderate correlation? - 0.92 - 0.18…
\(0.56\)
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the table shows the shipping costs for items of different values. which…
a weak positive correlation
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which relationships would most likely be causal? select two options. a …
A. a positive correlation between the number of homework assignments completed and the grade on the exam, B. a positive correlation between the temperature in a canyon in the earl…
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which best describes the strength of a model with an r - value of 0.29?…
a weak positive correlation
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which r - value represents the weakest correlation? -0.75 -0.27 0.11 0.…
\(0.11\)
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the table shows the time a patient spends at the dentist and the amount…
0.93
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which is most likely the correlation coefficient for the set of data sh…
\(-0.91\)
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which words in paragraph 5 best helps the reader understand the meaning…
A. relieve the pain
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what is the correlation coefficient for the data shown in the table? 1 …
-1
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analyze the churchs response to feudalism. which of the following was m…
the Truce of God
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mode example #2 the following data show the distances (in miles) from t…
Mode: \(2.8\), Median: \(2.35\), Mean: \(2.89\)
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c. the graph shows how the average annual number of working hours has c…
A piece - wise function.
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answer the following questions. 1) match the prefixes with the meanings…
self - auto -; ten - deca -; before (or in front) - fore -; small - micro -; many - multi -; half - semi -; across, change, through - trans -; one - uni -
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question 35 2 pts according to census data, the majority of children un…
Question 35: two parents. Question 36: Symbolic interactionist theorists.