Chapter 2: Q. 58 (page 135)
Describe the shape of this distribution.
Short Answer
The distribution is approximately symmetrical.
Chapter 2: Q. 58 (page 135)
Describe the shape of this distribution.
The distribution is approximately symmetrical.
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Get started for freeGiven the following box plots, answer the questions.
a. In complete sentences, explain why each statement is false.
i. Data 1 has more data values above two than Data 2 has above two.
ii. The data sets cannot have the same mode.
iii. For Data 1, there are more data values below four than there are above four.
b. For which group, Data 1 or Data 2, is the value of “7” more likely to be an outlier? Explain why in complete sentences.
Use the following information to answer the next two exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.
Construct a box plot below. Use a ruler to measure and scale accurately
The following data show the distances (in miles) from the homes of off-campus statistics students to the college. Create a stem plot using the data and identify any outliers:
a. For runners in a race, a low time means a faster run. The winners in a race have the shortest running times. Is it more desirable to have a finish time with a high or a low percentile when running a race?
b. The percentile of run times in a particular race is minutes. Write a sentence interpreting the percentile in the context of the situation.
c. A bicyclist in the percentile of a bicycle race completed the race in hour and minutes. Is he among the fastest or slowest cyclists in the race? Write a sentence interpreting the percentile in the context of the situation.
On an exam, would it be more desirable to earn a grade with a high or low percentile? Explain
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