1.You would like to construct a hypothesis test to see if the average distance (in miles) a package is delivered isgreater for UPS then FED Ex. Use the following information:UPSFED Ex497Mean Delivery Miles432178Population Standard Deviation16939Sample Size36А.What is the value of the test statistic (correct number of decimal places depending on which test statistic)?What is the probability of the test statistic for this specific problem (p-value)? (take into consideration if this is 1-tail or 2-tail test)В.C.What conclusion will you come to? (just need to state Accept Ho or Reject Ho and Accept Ha – just put one ofthose 2 answers in the body of the discussion board, but you will have a more detailed solution on yourworksheet that you will attach as a PDF). Use a level of significance of .05.Using the critical value approach at what critical value or values will you start rejecting the null hypothesis?(make sure you are very careful and detailed with your answer, pay attention to signs and values)D.Your worksheet that you will attach as a PDF, should have all the steps of the hypothesis test clearly written out, even ifnot asked for directly in the question or answers of the discussion board (use my videos and practice problems as aguide of how detailed to be).**** Use the appropriate table or tables from our lecture notes to answer all questions that require values orprobabilities********No probabilities generated from a calculator will be permitted/accepted(will not receive credit), only probabilities and values from your Z-tables (CH6) and T-tables(CH8) notes will be allowed. ***When you answer the question put the 4 answers in this order and label like this:1A.1B.1C.1D.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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when we are performing a hypothesis testing for a population mean, if the sample size is small, what will be the test statistic used? O a f-statistic O b. Chi-square statistic Oczstatistic O d. t-statistic O e q-statistic
America has become concerned with our citizen's weight. 30 student weights are recorded and the following statistical results are calculated; the sample mean is 166 pounds and the sample standard deviation is 6 pounds. You may assume that their weights are normally distributed. a) Use appropriate statistical methods to determine whether there is significant statistical evidence to conclude that cadet average weight is less than the national average of 175 pounds. Use a 0.10 level of significance. State the statistical method you use and show all appropriate steps with that method. b) Do your test results in part(a) suggest that student weight is lower than the national average? Why or why not? c) Calculate a 90% confidence interval on the true mean weight for students.
Please help with the: Test statistic Critical value And conclusion based off the hypotheses
A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 66 girls in 144 births, so the sample statistic of 1124 results in a z score that is 1 standard deviation below 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.A.H0: p=0.5H1: p>0.5B.H0: p≠0.5H1: p=0.5C.H0: p=0.5H1: p≠0.5D.H0: p=0.5H1: p<0.5Part 2b. What is the value of α?α=0.050.05 (Type an integer or a decimal.)Part 3c. What is the sampling distribution of the sample statistic? Student (t) distribution Normal distribution χ2Part 4d. Is the test two-tailed, left-tailed, or right-tailed? Left-tailed Two-tailed…
A six-sided die is rolled 120 times. Fill in the expected frequency column. Then, conduct a hypothesis test to determine if the die is fair using 5% significant level. The data in the following table are the result of the 120 rolls. Face Value Frequency Expected Frequency 1 15 2 29 3 16 4 15 5 30 6 15 What are the null and alternate hypotheses?
A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is greater than 0.5. Assume that sample data consists of 78 girls in 144 births, so the sample statistic of 1324 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.Part 7g. What are the critical value(s)?The critical value(s) is/are enter your response here. (Round to two decimal places as needed. Use a comma to separate answers as needed.)Part 8h. What is the area of the critical region?The area is enter your response here. (Round to two decimal places as needed.)
It is known that the population variance equals 522. What is the sample size that needs to be taken if the desired margin of error is 4 or less with 0.95 probability?
2. Brand of Smartphone Male A 43 34 48 A. What is the value for the degrees of freedom? B. If the expected number of males with smartphone brand B is 32.5, what is the chi-square component? c. If the test statistic (chi-square) = 6.40, then the p-value = D. If the significance level was 0.05, should the researcher reject or fail to reject the null?
A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 55 girls in 100 births, so the sample statistic of 1120 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.Part 7g. What are the critical value(s)?The critical value(s) is/are enter your response here. (Round to three decimal places as needed. Use a comma to separate answers as needed.)Part 8h. What is the area of the critical region?The area is enter your response here. (Round to two decimal places as needed.)
Which of the following statistical methods should you use. Question is at top of page
Kindly answer items 1 and 2. Please provide the correct answer. Thank you.
The mean number of eggs per person eaten in the United States is 244. Do college students eat a different number of eggs than the average American? The 60 college students surveyed averaged 255 eggs per person and their standard deviation was 64.4. What can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer v Н: Select an answer V c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer g. Thus, the final conclusion is that ... the null hypothesis. O The data suggest that the populaton mean is significantly different from 244 at a = 0.10, so there is statistically significant evidence to conclude that the population mean number of eggs consumed by college students per year is different from 244. O The data suggest…

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