Calculate the mean and standard deviation from the sample data below. 23-41 1 42-60 5. 61 79 80-98 10 99-117 32 Round answers to the nearest thousandths place. a. Mean b. Standard deviation

What is the standard deviation of the data set comprising the numbers 4, 4, 6, 4 and 7? 1.59 1.99 1.41 1.26 None of the above

please help me solve

222. A random sample of 6 vehicles on the highway had their speed checked. The speeds, in miles per hour, are listed below. 62      75      81      68      72      74 For the given data, find the standard deviation.

Which of the data sets shown below has the smallest standard deviation? 0, 1, 2, 3, 4, 5, 6 0, 0, 0, 100, 500, 500, 500 0, 25, 50, 100, 125, 500, 1000 |0, 1, 5, 5, 5, 5, 6 What is the value for the IQR of the data shown in the boxplot below? 1 2 3 9 10 11 12 13 14 7 8 data 4 5

22 Michael took 12 tests in his math class. His lowest test score was 78. His highest test score was 98. On the 13th test, he earned a 64. Select whether the value of each statistic for his test scores increased, decreased, or could not be determined when the last test score was added. Standard Deviation Median Mean Increased Decreased Could Not Be Determined acer % & 8

Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 22 35 36 46 46 56 58 69 76 93 range =  (Please enter an exact answer.) standard deviation (ss) =  (Please show your answer to one decimal place.) IQR =________  (Please enter an exact answer.)A new number, 215, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set.range =________  (Please enter an exact answer.) standard deviation = ___________ (Please show your answer to one decimal place.) IQR =________  (Please enter an exact answer.)Which measure of spread is less affected by the addition of the extreme observation? IQR Range standard deviation

Can you please include variance and standard deviation?

K The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 10, 15, 4, 12, 9, 13, 10, 5, 7 The range is 13. (Simplify your answer.) The population mean is 8.7. (Simplify your answer. Round to the nearest tenth as needed.) The population variance is (Simplify your answer. Round to the nearest tenth as needed.)

Find the sample variance and standard deviation. 7, 50, 10, 50, 34, 24, 34, 32, 31, 32 Choose the correct answer below. Fill in the answer box to complete your choice. (Round to two decimal places as needed.) A. 6² = B. s² 2 s = 200.49 Choose the correct answer below. Fill in the answer box to complete your choice. (Round to one decimal place as needed.) A. S = 14.2 0= O B.