Statistics
Practice mean, median, mode, range, and other measures of spread.
6 questions
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The frequency table summarizes the 57 data values in a data set. What is the maximum data value in the data set?
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A list of 10 data values is shown. 6, 8, 16, 4, 17, 26, 8, 5, 5, 5 What is the mean of these data?
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23, 27, 27, 32, 35, 36, 52 What is the range of the 7 scores shown?
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Scott selected 20 employees at random from all 400 employees at a company. He found that 16 of the employees in this sample are enrolled in exactly three professional development courses this year. Based on Scott’s findings, which of the following is the best estimate of the number of employees at the company who are enrolled in exactly three professional development courses this year?
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Five Eretmochelys imbricata , a type of sea turtle, each have a nest. The table shows an original data set of the number of eggs that each turtle laid in its nest. Nest Number of eggs A 149 B 144 C 148 D 136 E 139 A sixth nest with 121 eggs is added to create a new data set. Which of the following correctly compares the means of the two data sets?
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The month of July has 31 days. What is the greatest possible number of Saturdays that can occur in July?
Medium