Author Question: The more observations we have, the ____________________ the number of class intervals we need to use ... (Read 55 times)

fnuegbu · **on:** Jun 24, 2018

The more observations we have, the ___________________ _ the number of class intervals we need to use to draw a useful histogram.
Fill in the blank(s) with correct word

Question 2

Ten people were given two types of cereal, Brand X and Brand Y. Three people preferred Brand X, five people preferred Brand Y, and two people were undecided. We want to determine whether or not the two products are equal. The null hypothesis should _____.
a. be rejected
b. not be rejected
c. be revised
d. None of the answers is correct.