Give formulas of Hypothesis Testing in Probability and Statistics. A. Rejection Region (Zc=?) B. P-Value C. Test Statistics
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Q: Describe about the HYPOTHESIS TEST SUMMARY: z TEST FOR A POPULATION MEAN with example.
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- First Sample Dota Set {32 37 44 49 53 ss3 use the first data se+ to find the Sample variance s. A. 81. 8 B. 82.8 C. 83.8 D. 84.8Question Help reiaie A survey of 36 randomly selected students who dropped a course was conducted at a college. The following results were collected. Complete parts (a) through (c). (b) Test whether gender is independent of drop reason at the a = 0.1 level of significance. Full data set O M Course M M Course F M M Personal F Course F F Course M M PersonalF Personal M Work Course What are the hypotheses? Work Personal Work Work Personal O A. Ho: Oc = Ec and Op = Ep and Ow = Ew H7:0c #Ec or Op #Ep or Ow #Ew Course M Course Course Course B. Ho: Gender and drop reason are independent. M Course F M Work Course H,: Gender and drop reason are dependent. F Personal F F Personal F Course M Work Work Course Work O C. Ho: PC = Pp = Pw F Personal F M Work H: At least one of the proportions is different from the others. F F Course M Course F Work Work Personal Work Calculate the test statistic. (Round to three decimal places as needed.)Check My Work (4 remaining) Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported measure of visitor volume and visitor activity (Orlando Sentinel, May 19, 2018). Hotel occupancy data for February in two consecutive years are as follows. Current Year Previous Year Occupied Rooms 1,505 1,411 Total Rooms 1,750 1,700 a. Formulate the hypothesis test that can be used to determine whether there has been an increase in the proportion of rooms occupied over the one-year period. Let pi = population proportion of rooms occupied for current year p2 = population proportion of rooms occupied for previous year Ho : Pi – P2 equal to 0 H. : Pi – P2 equal to 0 b. What is the estimated proportion of hotel rooms occupied each year (to 2 decimals)? Current year Previous Year c. Conduct a hypothesis test. What is the p-value (to 4 decimals)? Use Table 1 from Appendix B. p-value = Using a 0.05 level of significance, what is your conclusion? We - Select your answer -…
- Types please and asap please provide a quality solution for better ratingsParticipants who agree to use a certain weight loss pill to help alleviate their hunger were randomly surveyed before and after taking the weight loss pill. Their responses are given below using a scale from 1 to 10, where 1 is a small amount of hunger and 10 is very hungry. Does this weight loss pill help alleviate hunger? Before 9 9 7 6 8 7 7 5 8 After 8 9 6 5 8 7 8 4 6 What is the decision for this test? Participants who agree to use a certain weight loss pill to help alleviate their hunger were randomly surveyed before and after taking the weight loss pill. Their responses are given below using a scale from 1 to 10, where 1 is a small amount of hunger and 10 is very hungry. Does this weight loss pill help alleviate hunger? Before 9 9 7 6 8 7 7 5 8 After 8 9 6 5 8 7 8 4 6 What is the decision for this test? Fail to reject the null because the test statistic is not in the critical region and the p-value is less than alpha. Reject the null because the…7. In the field of statistics, give an example of: a. A discrete variable. b. A continuous variable. c. A qualitative variable.
- just part C thank you!Sampling distributions of sample means are ______ than distributions of population values. a. Narrower b. Wider c. No different d. More skewedII. Supply the table with the corresponding random variable and/or the possible values of the random variable for each experiment. Possible values (x) for the Experiment Random Variable (X) Random Variable Number of customers who 1. Contacting 10 customers 0, 1, 2, 3, 4,5 placed a complaint 2. Inspection of shipment of 100 laptops 3. Filling a bottle of water (maximum of 500 mL) 0, 1,2, .,99, 100 0sxs 500 The temperature when the desired reaction takes place (minimum of 40°C; maximum of 90* C) 4. Testing of new chemical process 5. Selling an automobile O if male; 1 if female
- Inferential statistical analyses that are not based on a set of assumptions of the z test? a. Permissible only when certain assumptions about the sample are met b. nonparametric c. parametric d. innacurateA corporate lawyer wonders whether the vigor of antitrust enforcement differed in the 2010s compared to the 2000s. A sample of 10 firms is selected from the Fortune 500 list, and the data of table below are collected. Make an appropriate hypothesis test at the 5 percent level of significance using sign test. Number of Indictments (Charges) Firm 2000s 2010s A 5 7 B 6 8 C 2 3 D 7 9 E 10 9 F 15 20 G 9 18 H 12 7 I 8 12 J 3 7banana state issued a law that prohibits selling cigarettes to underaged citizens who are under 18 years old. The major of the banana tries to investiagte to what extend citizens follow the rule in his country empricially. He does not want to check all the selling records in his state, instead he picked randomly some selling records seen as follows: 18 34 15 45 19 17 45 49 32 16 Help him to conduct an statistical analysis to check citizen follows the law. Interpret the results.
