The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 33 hours and the median is 29.2 hours. Twenty four of the families the sample turned on the television for 18 hours or less for the week. The 16th percentile of the data is 18 hours. Step 2 of how many familles are in the sample? Round your answer to the nearest Integer

The prices vary depending on the condition of the radio. $210, $210, $320, $200, $300, $10, $340, $300, $245, $325, $700, $250, $240, $200 a. Find the mean of the radio prices. Round to the nearest cent.

The ages (in years) and helghts (in inches) of all pitchers for a beseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. -Click the Icon to view the data sets. CV. %D Round to one decimal place as needed.)

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Find the midrange for the following group of data items. 112, 52, 82, 52, 72 ​(Round to the nearest tenth as​ needed.)

What value corresponds to the  30th  percentile?

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 40 ounces and a standard deviation of 10 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 20 and 70 ounces? c) What percentage of the widget weights lie above 30 ? Question Help: Video Message instructor %

Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9 Find the median and mean weights of these cats. If necessary, round your answers to the nearest tenth. (a) Median: pounds X Ś ? (b) Mean: pounds

At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs.William's class scored 61 points. Mr. Adams class earned 48 points. Mrs. Brown's class earned 50 and Mrs.Daniel's class earned 50. Determine the mean, median, mode and range of the number of points scored.

Find the original data from the stem-and-leaf plot.  Stem leaves  76 358 77 348 78 18