Author Question: The expected number of heads in 500 tosses of an unbiased coin is: a. 150 b. 200 c. 250 d. 300 ... (Read 90 times)

mwit1967 · **on:** Jul 24, 2018

The expected number of heads in 500 tosses of an unbiased coin is:
a. 150
b. 200
c. 250
d. 300
e. 500

Question 2

When hypothesis testing involves more than two means, we use the ANOVA rather than the t-test. ANOVA stands for:
a. variation between the levels.
b. analysis of variances.
c. the estimation of the ratio of two population variances.
d. an optional variance analysis.