Statistics Quiz with Solutions (6 Questions)

by Electra Radioti
statistics quiz
statistics quiz

Statistics Quiz with Solutions (6 Questions)

Statistics Quiz with Solutions (6 Questions)

1 / 6

A(n) _____ is a number or attribute computed for each member of a population or of a sample.

2 / 6

For the data set: {1.5, 2.3, 1.7, 3.6, 2.9, 4.2}, identify the percentile for the value 2.9.

3 / 6

A random variable \( X \) has the uniform distribution on the interval \([0, 1]\): the density function is \( f(x) = 1 \) if \( x \) is between 0 and 1, and \( f(x) = 0 \) for all other values of \( x \). What is the probability that \( X \) assumes a value greater than 0.90?

4 / 6

A pair of balanced dice are rolled. What is the probability of not rolling doubles?

5 / 6

As the sample size of a random sample increases, the standard deviation of the sample mean _____.

6 / 6

A(n) _____ is any subset or subcollection of the population.

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