To test the hypothesis that the mean has increased at a 5% significance level. What is the critical value of the t-statistic if there are 29 degrees of freedom? No answer text provided. 1.645 1.69 1.31

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HELP WITH QUESTIONS THAT GO ALONG WITH THE PICTURE.. Determine the test statistic.   ______ ​(Round to two decimal places as​ needed.)   Determine the​ P-value. _______​(Round to three decimal places as​ needed.)   State the final conclusion that addresses the original claim.     REJECT OR FAIL TO REJECT H0. There is SUFFICIENT OR NOT SUFFICIENT evidence to conclude that the mean of the population of changes is GREATER THEN, NOT, EQUAL TO OR LESS THAN 0.

Cereals sodium values have a mean of 167 and a standard deviation of 77.3. Find the z-score for the cereal that has a sodium value of 0. How would you interpret this z-score?

the night shift workers in three of the super bo's specialty stores stock about 500 products in about 3 hours. how does the rate compare with the stocking done in the other 97 stores in the chain, whixh average about 496 products stocked in 3 hours? are the stockers at the specialty stores doing "better than Average" job? heres the info you need                                    size.      products stocks       standard deviation specialty stores       3.          500.                             12.56 all stores.               100.        496.                          22.13

Q10: Show work by typing please TYPING

N You are interested in determining if the pandemic has caused people to become depressed. You randomly sample 20 individuals and administer a 30 item true/false psychological test designed to measure depression. Scores that are greater than 20 indicate significant levels of depression. Use the following descriptive statistics to determine if individuals in your sample are depressed. Mean Std. Deviation Score 8 22.25 2.49 0.025 Use these data to answer the following questions. Chapter 9 is most relevant here. Two-tailed test critical region

z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6 feet 8 inches, or 203 cm. Based on statistics from Data Set 1 “Body Data” in Appendix B, his height converts to the z score of 4.07. How many standard deviations is his height above the mean?

Ten friends kept track of how many times they sent a text over a one hour period. The results are in the table below. number of texts 5 6 7 7 8 10 10 15 16 17 They determine that the mean of the data set is 10.110.1, but they also want to know the range and standard deviation. Calculate the range of the data set.Is this correct answer 12? Calculate the POPULATION (since it's just two friends, they're the population) standard deviation of the data set.I have a hard time

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