Download This is lesson 6.2) Calculate sample mean , standard deviation

This is lesson 6.2)
Calculate sample mean , standard deviation,
Construct a 98% conf int.
6.3)
If 139 has spills estimate the proportion with spills, standard deviation of sample
proportion is ?
Construct 85% conf interval
7.1)
What are the hypotheses? Enter z stat., Is it one sided? Enter p value. Enter significance
level. Do you reject?
7.3)
State the null and alternative hypotheses. Enter test stat value. Is this one sided?
Decision Rule?
Do u accept or reject?
7.4)
State the null and alternative hypotheses. Enter the test statistic. Is this a one tail or two
test? What is the p value?
7.5)
State the null and alternative hypotheses. Enter the test statistic. Is this a one tail or two
test? Decision rule?
Reject?
7.8)
State the null and alternative hypotheses. . Is this a one tail or two test? Critical value?
Enter test stat. Reject?
8.1)
State the null and alternative hypotheses. Enter the test statistic. Is this a one tail or two
test? Dec rule? Find z sub /2. Find a 90% conf int.
8.2)
State the null and alternative hypotheses. Enter the test statistic. Is this a one tail or two
test? Decision rule? Reject?