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Question Answered step-by-step …………………. Image transcription textiii 5. The graph below shows the divorce rate in the United states (per 1000 people) from 1900 to 2001. Based on the graph, which year has the highest divorce rate? M Referto the graph below. i (1 Point) “In [‘3 mo 1″ mo 1. ms I” ml Q 1945 {/’r 1960 Q 1980 if) 1999 9. The fallowing Frequency distribution shows the distances traveled (in miles) by 30 commuter students to campus. what is the lowest exact limit orthe distribution? ‘refer to the ?gure below. ‘ (1 Point) DB’I’ANCBGNMILES) FREQUENCY 35-40 8 40—45 13 45—50 50-55 3 O Q 3475 K.) 35 O 40 1.0.5 in. What is the interval Size of the distribution? * referto the figure below * (1 Point) 11. What is the exact limits of the relative frequency 38.46? ‘ (1 Point) Q 19.5445 f 20724 C) see 34 r: ;31.57345 … Show moreImage transcription textPART II. PROBLEM SOLVING AND ANALYSIS. For problems 31 and 32, read each problem carefully. Follow the steps in hypothesis testing to answer the questions in each problem. Use the following format: a. Ho: b. Ha: c. alpha level: d. degrees of freedom (if needed): , critical value : e. computation: f. Decision and conclusion: Note: You are required to attach the clear and readable screenshotl picture of your solution below. You have the option to use MS EXCEL as part of your computation. 31. A gasoline manufacturer believes a new additive will result in more miles per gallon. A large number of mileage measurements on the gasoline without the additive have been made by the company under rigorously controlled conditions. The results show a mean of 24.7 miles per gallon and a standard deviation of 4.8. Tests are conducted on a sample of 75 cars using the gasoline plus the additive. The sample mean equals 26.5 miles per gallon. Let’s assume there is adequatebasis for a one—tailed test. Answer the following questions: a. What is the directional alternative hypothesis? b. What is the null hypothesis? c. What is the conclusion? Use a = 0.05 (Noneanonymous question® ) (10 Points) T Upload file File number limit: 3 Single file size limit: 1GB Allowed ?le types: Word, Excel, PPT, PDF, Image, Video, Audio 32. The credit manager of a large department store claims that the mean balance for the store’s charge account customers is Php 20500. An independent auditor selects a random sample of 18 accounts and finds a mean balance of Php 25,500 and a standard deviation of Php 9150. If the manager’s claim is not supported by these data, the auditor intends to examine all charge account balances. If the population of account balances is assumed to be approximately normally distributed, what action should the auditor take? (Use 3 =0.05 level of Significance). (Non—anonymous question® ) (10 Points) … Show more………………….  Math Statistics and Probability STATISTICS 4310 Share QuestionEmailCopy link Comments (0)