All work must be shown step by step in order to receive credit with formulas.

39.The following data give the numbers of times 10 persons used their credit cards during the past three months.

96281421873166

Please answer the following questions:mean, median, mode, range, variance, standard deviation

40.The cars owned by all people living in a city are, on average, 7.3 years old with a standard deviation of 2.2 years.

a. Using Chebyshev's theorem, find at least what percentage of cars in this city are i. 1.8 to 12.8 years oldii. .7 to 13.9 years old

b. Using Chebyshev's theorem, find the interval that contains the ages of at least 75% of the cars owned by all people in this city.

41.

Range, variance, standard deviation

42.

Use the given information to answer the following questions: X 0 1 f |10 1\f\f\f