Mathematics, 28.06.2021 15:20, milkshakegrande101
Calculate the sample standard deviation and sample variance for the following frequency distribution of heart rates for a sample of American adults. If necessary, round to one more decimal place than the largest number of decimal places given in the data.
Lower Bound Upper Bound Frequency
56 64 11
65 73 15
74 82 14
83 91 4
92 100 11
Required:
a. What is the sample standard deviation?
b. What is the sample variance?
Answers: 2
Mathematics, 21.06.2019 15:30, izquierdohannah
David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.
Answers: 2
Mathematics, 21.06.2019 18:00, jeffylovesgreenbeans
Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.
Answers: 1
Mathematics, 21.06.2019 23:20, lexybellx3
If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)
Answers: 3
Calculate the sample standard deviation and sample variance for the following frequency distribution...
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