A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n= 197, x=5.52, s= 2.05. Use a 0.10 significance level to test the claim that the population mean of such ratings is less than 6.00.Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.What are the null and alternative hypotheses?Ο Α. Ho μ= 6.00О в. Но: и6.00H:µ>6.00H1: µ<6.00OC. Ho: H= 6.00H1: u#6.00O D. Ho: H<6.00H1: µ>6.00Determine the test statistic.(Round to two decimal places as needed.)Determine the P-value.(Round to three decimal places as needed.)State the final conclusion that addresses the original claim.V Ho. There isv evidence to conclude that the mean of the population of ratings isv 6.00.

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Answered: A data set about speed dating includes…

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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A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n=188, x overbar=7.89, s=2.05. Use a 0.05 significance level to test the claim that the population mean of such ratings is less than 8.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? Determine the test statistic ___ (Round to two decimal places as needed.) Determine the P-value ___ (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. ▼ Reject, Fail to reject H0. There is▼ not sufficient, sufficient evidence to conclude that the mean of the population of ratings is ▼ equal to, not greater than, less than, 8.00.
A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n= 191, x= 6.83, s= 1.93. Use a 0.05 significance level to test the claim that the population mean of such ratings is less than 7.00. Assume that a simple random sample has been selected. Identify the null and altemative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and altenative hypotheses? OB. Ho: H7.00 H: µ>7.00 C. Họ: =7.00 OD. Ho: =7.00 Hp<7.00 H4: H#7.00 Determine the test statistic. (Round to two decimal places as needed.)
A psychologist wants to demonstrate the effectiveness of ACT therapy for the treatment of depression. 30 people who were seeking treatment for depression asked to complete the Beck depression inventory (BDI) before the first sessionof therapy and again after one month of therapy. Which statistical test would be best to determine if there is a significant difference between measures? One sample t-test Dependent samples t-test Independent samples t- test ANOVA
A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n= 197, x=6.52, s=1.84. Use a 0.05 significance level to test the claim that the population mean of such Tatings is less than 7.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? O A. Ho =7.00 H, p>7.00 O B. Ho p=700 H p 7.00 O C. Ho p= 7.00 H: p7.00 Determine the test statistic. | (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. 7.00. Ho. There is Vevidence to conclude that the mean of the population of ratings is Activate Windeows Next Statcrunch 4:24 PM 11/29/2021 Type here to search 144 00 %24 4. 5 7. U. CO 96
A data set includes data from student evaluations of courses. The summary statistics are nequals=8585, x overbarxequals=3.423.42, sequals=0.540.54. Use a 0.010.01 significance level to test the claim that the population of student course evaluations has a mean equal to 3.503.50. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
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identify the test statistic. Identify the P-value.
The accompanying table contains the data for the amounts (in oz) in cans of a certain soda. The cans are labeled to indicate that the contents are 16 oz of soda. Use the sign test and a 0.01 significance level to test the claim that cans of this soda are filled so that the median amount is 16 oz. If the median is not 16 oz, are consumers being cheated? Click the icon to view the data. What are the null and alternative hypotheses? O A. Ho: Median volume ≤ 16 oz H₁: Median volume = 16 oz C. Ho: Median volume = 16 oz H₁: Median volume # 16 oz Find the test statistic. Test statistic (Round to three decimal places as needed.) = More Info 15.6 16.0 16.1 16.1 407 15.7 (…) 16.1 15.9 19:3 15.8 16.5 15.8 15.7 15.9 OB. Ho: Median volume ≤ 16 oz H₁: Median volume > 16 oz O D. Ho: Median volume = 16 oz H₁: Median volume < 16 oz Volume (in ounces) 15.7 15.5 15.7 15.7 15.8 420 15.9 103 16.3 15.7 15.7 16.1 16.3 15.8 15.7 15.6 15.5 15.6 15.5 20 16.0 400 15.8 19:0 15.6 15.6 15.5 16.4 15.9 D - X
Please answer each item with the same format as the examples given. Thank you.
A data set includes data from 400 random tornadoes. The display from technology available below results from using the tornado lengths (miles) to test the claim that the mean tornado length is greater than 2.8 miles. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. LOADING... Click the icon to view the display from technology. Question content area bottom Part 1 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? A. H0: μ<2.8 miles H1: μ=2.8 miles B. H0: μ=2.8 miles H1: μ<2.8 miles C. H0: μ=2.8 miles H1: μ>2.8 miles Your answer is correct. D. H0: μ=2.8 miles H1: μ≠2.8 miles Part 2 Identify the test statistic.
Assume that a simple random sample has been selected and test the given claim. Use the P-value method for testing hypotheses. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.The ages of actresses when they won an acting award is summarized by the statistics n=79, x=35.4 years, and s=11.4 years. Use a 0.05 significance level to test the claim that the mean age of actresses when they win an acting award is 32 years.Question content area bottomPart 1What are the hypotheses?A.H0: μ=32 yearsH1: μ≥32 yearsB.H0: μ≠32 yearsH1: μ=32 yearsC.H0: μ=32 yearsH1: μ<32 yearsD.H0: μ=32 yearsH1: μ≠32 yearsPart 2Identify the test statistic.t=enter your response here (Round to three decimal places as needed.)Part 3Identify the P-value.The P-value is enter your response here. (Round to four decimal places as needed.) Part 4State the final conclusion that addresses the original claim. Choose the…
A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n=15, ã=137.33, s=24.12. Use a 0.01 significance level to test the claim that the population mean of such ratings is greater than 110. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. The Hypotheses Test Ho: µ = 110 H1: Choose one of these A:u > 110 Β:μ< 110 C: µ + 110 Test statistic Choose one of these (A) t = 4.39; (B) z = 4.39 P value < s.f. = 0.10 ( reject or do not reject) (Round to three decimal places as needed. )

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