Quantitative Data and Probability True or False

1.	Which of these is NOT a name for the normal distribution? -> Standard distribution True False
2.	Which of the following is NOT a characteristic of a normal distribution? -> The mean, median, and mode are equal. True False
3.	What is another name for the Empirical Rule? -> 68-95-99.7 Rule True False
4.	What is the standard normal distribution? -> A normal distribution with mean 0 and standard deviation 1. True False
5.	What is the formula for the Z-score? -> True False
6.	What can we say about a data point if its Z-score is -2.2? -> The Z-score is negative, so it is an outlier. True False
7.	A dataset is normally distributed, with a mean of 8 and a standard deviation of 4. What is the Z-score of 6? -> -0.5 True False
8.	Which of these is equivalent to Pr(x > -Z) on a standard normal distribution? -> 1 + Pr(x < Z) True False
9.	Which of these is equivalent to Pr(x < Z) on a standard normal distribution? -> 1 – Pr(x < Z) True False
10.	If Pr(x > Z₁) = 0.4, and Pr(x > Z₂) = 0.3, what is Pr(Z₁ < x < Z₂)? -> 0.7 True False

Submit

Join today and never see them again.

Get Started