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- a) A wedding photographer made $500 on average in the 5 years it has been operational. A sample of 12 months were analyzed and it was found that he made an average of $620. Does the value $500 refer to the parameter or to the statistic? Is the value $620 a parameter or a statistic? iii. State two advantages of using a sample statistic rather than a parameter. b) For each the following variables, state which is quantitative and which is qualitative. If it is quantitative, state whether it is discrete or continuous. The amount of flour added to bake a pie The temperature of a glass of milk iii. The addresses of all patients at a dental office c) Choose the level of measurement described below Rate how satisfied are you with your customer service (ordinal, interval) The distance Madison runs every morning (interval, ratio) iii. The Magazine that sells the most copies in a month…a and b please thank youWhich of the following is an example of causation? Birthdays cause people to age. Aerobic exercise causes increased heart rate April 15 causes people to pay taxes. Sunshine causes people to spend the day outdoors
- Denfine each of the following terms in the context of experimental design. a. Response variableb. Factorc. Levelsd. TreatmentsAn SAT prep course claims to improve the test score of students. The table below shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her verbal SAT scores. Do these results support the claim that the SAT prep course improves the students' verbal SAT scores? Let d = (verbal SAT scores prior to taking the prep course)-(verbal SAT scores after taking the prep course). Use a significance level of a = 0.01 for the test. Assume that the verbal SAT scores are normally distributed for the population of students both before and after taking the SAT prep course. 1 234567 520 570 540 380 370 490 450 Student Score on first SAT Score on second SAT 540 600 610 470 410 510 480 Step 1 of 5: State the null and alternative hypotheses for the test. Answer 0 Ho: Md 0 Ha Ma IA IV V A || < = Copy Data Tables Keypad Keyboard ShortcutsPlease show me the answer of question 3 and 4
- I HAVE THE GRAND MEAN ALREADY NEED REST OF THE PROBLEMS SOLVED. ANOVA. Dr. Milgram is conducting a patient satisfaction survey, rating how well her patients like her on a scale of 1-10. Her patients tend to fall into three categories: “Like a lot”, “like somewhat”, and “dislike a lot”. She believes that she might get different satisfaction scores from people in each group, but (because she's not great at numbers) she wants you to do an ANOVA to be sure. She has collected data from 12 patients (three equal groups) with the following results. Group 1) “Like a lot” Mean: 8 SS: 2 N: df: Group 2) “Like somewhat” Mean: 5 SS: 6 N: df: Group 3) “Dislike a lot” Mean: 2 SS: 4 N: df: Grand Mean: 4 df Within-Group:__________ df Between-Groups:___________ Estimated Variance (S21) for Group 1:…The values listed below are waiting times (in minutes) of customers at 2cdifferent banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers mayventer any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.3 6.6 6.7 6.8 7.1 7.2 7.5 7.8 7.8 Bank B 4.1 5.5 5.8 6.1 6.7 7.7 7.7 8.4 9.3 10.0 Construct a 95% confidence interval for the population standard deviation at Bank AHelp me with the wrong answers
