Author Question: When the necessary conditions are met, a two-tail test is being conducted at = .05 to test . The ... (Read 63 times)

kwoodring · **on:** Jun 24, 2018

When the necessary conditions are met, a two-tail test is being conducted at = .05 to test . The two sample variances are and , and the sample sizes are n1 = 25 and n2 = 25 . The calculated value of the test statistic will be F = 2.
Indicate whether the statement is true or false

Question 2

In measuring seasonal and random variation of a time series with no cyclical effect, we may use the:
a. ratio of the time series divided by the moving average
b. ratio of the time series divided by the predicted values
c. trend value y
d. Both a and b