Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five. E Click the icon to view the data table. The mean is sleepwalker(s). (Round to one decimal place as needed.) The standard deviation is sleepwalker(s). (Round to one decimal place as needed.)

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Approximately 6% of American drivers d not text while they drive. Suppose you are working with a sample group of 300 people.a. Find the mean and standard deviation

Your statistics teacher splurges on five comic books, spending $1230, $70, $540, $610, and $1600 on the books. Find the following for the amount spent on the books. 3. The mean. 4. The standard deviation. 5. The coefficient of variation.

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Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation =20 . Find the probability that a randomly selected adult has an IQ between 84 and 116. Click to view   page 1 of the table.LOADING... Click to view page 2 of the table.LOADING.     ..

What would a histogram look like if the mean is 50 the median is 50 and the standard deviation is 1.6?

Tally is interested in the fuel efficiency of her car. She computes how many miles per gallon her car got each week for the last four weeks. The data are shown below. Miles per Gallon 28 36 56 64 She computes that the mean of the data set is 4646, but also wants to know the range and standard deviation. Find the range of this data set. miles per gallon Find the standard deviation of this data set. miles per gallon

The highway mileage (mpg) for a sample of 8 different models of a car company can be found below. Find the mean, median, mode, and standard deviation. Round to one decimal place as needed. 20, 23, 25, 28, 30, 32, 35, 35 Mean = Median = %3D Mode = Standard Deviation =

The tourist bureau of the Caribbean Islands surveyed a sample of 5 United States tourists as they left to return home. The tourists were asked how many days they spent on their visits. Their responses were as follows. 6, 8, 10, 9, 7 Find the standard deviation of this sample of numbers. Round your answer to two decimal places.