A research study is investigating the effects of studying French 1,2,or 3 hours weekly between fourth graders and ninth graders.Describe the factorial design.

A) 2 × 3
B) 3 × 2
C) 3 × 3
D) 6 × 3

The ANOVA uses the ______.

A) t test
B) F test
C) p test
D) r test

Susan Waterford bought merchandise for $1,880.14 on March 3. There was a 3% cash discount on anything paid within 5 days. Susan sent in a check for $1,200 on March 5. Compute the amount that should credited to Susan's account. (This problem involves the partial payment of an invoice within the discount period.)​

An aircraft manufacturer requires bolts that are part of the landing gear assembly to have a mean diameter of 1.1 inches with a variance of no more than 0.04 inches2. The bolts are purchased from an outside supplier. A random sample of 30 bolts from a recently received shipment yielded a variance of 0.054 inches2. Should the shipment be returned? Perform the appropriate test of hypothesis using = 0.05.
Test Statistic = ______________
Reject Region: Reject H₀ if > ______________
Conclusion: ______________
Conclusion: ______________

Is it possible for a capital loss to be worse than -100%? Explain or give an example.

When the necessary conditions are met, a two-tailed test is being conducted for the difference between two population proportions. If the value of the test statistic is 1.96, then the null hypothesis is rejected at = 0.10.