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maths-Math1342 Test 3 Assignment Solution

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Question;QuestionMath 1342 Test 3Question 1 25 pointsA random sample of data was obtained47 95 54 79 64 40 80 57 90 8080 67 13 49 40 44 79 80 48 1668 70 15 21 52 60 78 102 40 5029 35 28a. Use StatCrunch to generate Summary Statisticsb. Use StatCrunch to create a Box Plotc. Based on your summary statistics, IQR and Box Plot does the Data Contain Outliers?d. Use StatCrunch to generate a 95% confidence interval for the meane. Use StatCrunch and Hypothesis Testing (P-Value Method) for the claim that the mean is different from 50 at a 95% confidence level.Question 2 25 pointsA random sample of data was obtained23 45 15 26 21 32 44 22 15 4561 12 6 40 27 38 65 5 13 40a. Use StatCrunch to generate Summary Statisticsb. Use StatCrunch to generate a Stem and Leaf Plotc. Use StatCrunch to generate a 90% confidence interval for the meand. Use StatCrunch to generate a 95% confidence interval for the variancee. Use StatCrunch and Hypothesis Testing (P-Value Method) for the claim that the mean is less than 35 at a 90% confidence level.Question 3 25 pointsA random sample of data was obtained10.1 9.8 9.0 9.6 9.9 10.0 8.7 9.6 10.0 9.49.8 9.4 9.8 9.1a. Use StatCrunch to generate Summary Statisticsb. Based on your summary statistics, IQR does the Data Contain Outliers?c. Use StatCrunch to generate a 92% confidence interval for the meand. Use StatCrunch to generate a 98% confidence interval for the meane. Use StatCrunch and Hypothesis Testing (P-Value Method) for the claim that the mean is less than 10 at a 90% confidence level.Question 4 25 pointsA survey was done concerning ? Do you favor like strawberry ice-cream? 1 = Yes, 0 = No and the results were as follows1 1 1 0 0 0 0 1 1 00 0 1 1 1 1 1 1 0 11 0 1 1 0 1 1 0 0 00 1 1 0 1 0 1 1 0 1a. Use StatCrunch to the 90% confidence interval for the proportion of people that FAVOR strawberry ice-cream.b. Use StatCrunch to the 90% confidence interval for the proportion of people that DO NOT FAVOR strawberry ice-cream.c. Use StatCrunch and Hypothesis Testing (P-Value Method) for the claim that the proportion of people that favor strawberry ice-cream is greater than 45% at 90% confidence level.d. Use StatCrunch and Hypothesis Testing (P-Value Method) for the claim that the proportion of people that favor that favor strawberry ice-cream is different from 40% at 90% confidence level.

 

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