1.Match comparison symbol in HA at the right to the following claims: a)>b) /= 20lbs vs. HA: Potato sack weight < 20lbs. If HO is

1.Match comparison symbol in HA at the right to the following claims: a)>b)

_b_Drying time is at most 10mins

_c_Drying time is at least 10mins

_a_Drying time =10mins

2.HO: Product A weight is 10oz. vs. HA: Product A weight is different than 10oz. If HO is rejected, the action will be to reduce A variability. What kind of test will be to reduce product A variability. A)1tailed upper rejectB)2tailed test lower and upperC)1tailed lower reject

3.HO: Potato sack weight >/= 20lbs vs. HA: Potato sack weight < 20lbs. If HO is rejected, action will be calibrate and adjust weighing system? What kind of test is required?

A)2tailed test lower and upperB)1tailed lower rejectC)1tailed upper reject

4.Match the rules for rejecting HO at the right to the following tests.

_d_For any test(wk 7,8,9,or10) this rule for rejecting HO always applies.

_a_2-tailed test with lower and upper reject region.

_b_1-tailed test with lower reject region

_c_1-tailed test with upper reject region

a)test statistic>pos critical valueb)test statistic

5.For HA: pie =/ 0.25 at alpha=0.10, what is the upper critical value of the test statistic with 3 decimal places?

6.For HA; pie > 0.50 at alpha=0.05, what is the critical value of the test statistic with 3 decimal places?

7.For HA:pie < 0.50, at alpha=0.01, what is the critical value of the test statistic with 3 decimal places?

8.For HA: mu =/ 25, s=5, n=25, at alpha=0.10, what is the upper critical value of the test statistic with 3 decimal places?

9.Wk7 Rand 1-5 For HA: mu >35, s=2, n=30, at a=0.05, what is the critical value of the test statistic with 3 decimal places?

10.For HA: mu<45, s=5, n=35, at alpha=0.01, what is the critical value of the test statistic with 3 decimal places?

11.Suppose that you select a sample to test the null hypothesis HO: pie=0.559. With 3 decimal places, what is the standard deviation of the sample proportion if the same sample size is 23?

12.It is claimed that the population proportion is 0.673. To test this with a confidence interval, you obtain a sample with proportion 0.548 and sample size 32. With 3 decimal places, what is the standard error of the sample proportion?

13.To test HO:pie=0.500, what is the test statistic for a sample proportion 0.570 and sample size 90. Enter your answer with 3 decimal places.

14.It is claimed that the proportion of contaminated products is less than 2%. A sample of size 1500 results found 10containated products. In order, what is the estimate of the population proportion, and the standard error of the sample proportion?

a)0.0067, 0.0021b)0.0021,0.0036c)0.0036,0.0067

15.It is claimed that the proportion of contaminated products is less that 2%. A sample of size 1500 results found 10 contaminated products. What is the HA, and what is (are) the critical value(s) for alpha=0.05?

16.It is claimed that the proportion of contaminated products is less than 2%. A sample of size 1500 results found 10 contaminated products. The results of evaluating the test statistic with alpha=0.05 are:

17.Match the problem of the left to the statistical procedure on the right.

__Is the class average at least 85?

__To determine the effect of a new drug for diabetes, measurements of blood sugar are taken from 250 people before and after administering the drug

__One-sample test of mean with population variance known

__Are two processes equally accurate?

Rental car gasoline prices per gallon were sampled at eight major aiports for Hertz national car rental companies assuming variances are equal

__Rental car gasoline prices per gallon were sampled at eight major airports for Hertz and National car rental companies

__is the average of the classes at least 80%

a)Test of 2 variancesb)t-test of paired datac)One-sample t test of proportiond)Test of 2 means equal variancee)One sample z test of mean