Statistics Quiz with Solutions (5 Questions)

by Electra Radioti

Statistics Quiz with Solutions (5 Questions)

Statistics Quiz with Solutions (5 Questions)

1 / 5

A random sample of 100 male students is drawn from a particular class. The mean and standard deviation of heights of all male students in the college are 70 inches and 2 inches respectively. Calculate the standard deviation of the sample mean.

2 / 5

A random variable is called _____ if its possible values contain a whole interval of numbers.

3 / 5

_____ random variables arise from a counting process.

4 / 5

For the data set {1.5, 2.3, 1.7, 3.6, 2.9, 4.2} find the second quartile, Q2.

5 / 5

A random sample of 7 patients are selected from a group of 25 and their cholesterol levels were recorded as follows:
128, 127, 153, 144, 132, 120, 115. Find the sample mean.

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