Exam 1

Question 1

The mode, median, and mean should be very nearly equivalent in this type of frequency distribution. (a)
binomial; (b) skewed; (c) normal; (d) Poisson; (e) probability

Answer 1

c normal

Question 2

A frequency distribution is also known as a _____. (a) histogram; (b) central tendency; (c) table; (d) plot; (e)
parametric distribution

Answer 2

a histogram

Question 3

The shape of a Poisson distribution is determined by the _____. (a) mean, standard deviation; (b) p, n; (c)
geometric mean, SD, n; (d) mode, coefficient of variation; (e) mean

Answer 3

e) mean

Question 4

Which is the quickest (i.e., fewest steps) SYSTAT method of determining the sample size of several categories?
(a) scatterplot; (b) transform; (c) select cases; (d) Tables; (e) K-S test

Answer 4

tables

Question 5

This is the sum-of-squares divided by the sample size. (a) mode; (b) mean; (c) range; (d) median; (e) variance

Answer 5

E(x-x)^2

Question 6

Which is not a “statistic” (term used in the narrow, technical sense)? (a)x; (b) s; (c) SD; (d) u; (e) sample
variance

Answer 6

d mew or u