Intro to STATISTICS

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Use the ogive to answer parts​ a) through​ d).

a) What is the cumulative frequency for a weight of 27.5​ pounds? 40 ​b) What is the weight for which the cumulative frequency is​ 45? 30.5 c) How many beagles weigh between 22.5 and 29.5​ pounds? 35 ​d) How many beagles weigh more than 30.5​ pounds? 10

Use the frequency histogram to complete the following parts. ​(a) Determine the number of classes. ​(b) Estimate the greatest and least frequencies. ​(c) Determine the class width. ​(d) Describe any patterns with the data. ( Employee salaries)

(a) There are 7 classes. ​(b) The least frequency is about 30 The greatest frequency is about 270 ​(c) The class width is 10 ​(d) What pattern does the histogram​ show? About half of the​ employees' salaries are between $50,000 and $69,000.

Use the frequency polygon to identify the class with the​ greatest, and the class with the​ least, frequency. (MCAT scores) The scores(x value) are from 10-43. The frequency is from 0-15( y value)

What are the boundaries of the class with the greatest​ frequency? 29.5-32.5 What are the boundaries of the class with the least​ frequency? 11.5-14.5

Use the frequency polygon to identify the class with the​ greatest, and the class with the​ least, frequency. (MCAT Scores)

What are the boundaries of the class with the greatest​ frequency? 32.5-35.5 What are the boundaries of the class with the least​ frequency? 14.5-17.5

Use the frequency histogram to complete the following parts. ​(a) Determine the number of classes. ​(b) Estimate the greatest and least frequencies. ​(c) Determine the class width. ​(d) Describe any patterns with the data. (Employee Salaries)

​(a) There are 7 classes. ​(b) The least frequency is about 10. The greatest frequency is about 290. (c) The class width is 5. ​(d) What pattern does the histogram​ show? About half of the​ employees' salaries are between $40,000 and $49,000.

Use the frequency histogram to complete the following parts. ​(a) Determine the number of classes. ​(b) Estimate the greatest and least frequencies. ​(c) Determine the class width. ​(d) Describe any patterns with the data.

​(a) There are 7 classes. ​(b) The least frequency is about 30. The greatest frequency is about 290. ​(c) The class width is 5. ​(d) What pattern does the histogram​ show About half of the​ employees' salaries are between ​$40,000 and ​$49,000.


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