Use a y-test to test the claim o 2 41 at the a = 0.01 significance level using sample statistics s 37.8 and n= 19 Assume the population is normally distributed.
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- The drop down boxes are fail to reject or reject sufficient or not sufficient grerater than, equal to, not, or less thanA data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n=196, x=6.83, s=2.15. Use a .10 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 alternative hypothesis, test statistic, P-value, and state the final conclusion that addresses the original claim. a. Determine the test statistic.? b. Determine the P-value.?A data set includes data from student evaluations of courses. The summary statistics are n = 96, x 3.44, s 0.66. Use a 0.10 significance level to test the claim that the population of student course evaluations has a mean equal to 3.50. 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. What are the null and alternative hypotheses? O A. Ho: H= 3.50 H1:H> 3.50 O B. Ho: u= 3.50 OC. Ho:H#3.50 H1:µ= 3.50 O D. Ho: H= 3.50 H1: µ#3.50 Determinhe 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. Ho. There is evidence to conclude that the original claim that the mean of the population of student course evaluations is equal to 3.50 correct. Click to select your answer(s). F12 F10 吕0 F3 F6 FB F9 F7 F4 F5 esc F1 F2 & %23 24…
- 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 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.Use a y-test to test the claim o 35 H, o35 hir winga H, o>35 Identify the test statistic. 18.652 (Round to three decimal places as needed.) me Identify the critical value(s). nts (Round to three decimal places as needed. Use a comma to separate answers as needed.) t: C k Contents edia Library View an example Get more help - Clear all Check answer Help me solve this Plan ior SucceSE 72°F A a a 99+ P Type here to search 10/05/17 Delete PrtSc Insert F12 E11
- A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are n= 191, x= 6.58, s = 1.96. Use a 0.01 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 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. H μ=7.00 O B. Ho: µ= 7.00 H4: µ>7.00 H1:µ7.00 H1:H#7.00 Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value. |(Round to three decimal places as needed.) ate the final conclusion that addresses the original claim. V Ho- There is V evidence to conclude that the mean of the population of ratings is V 7.00.Assume that a simple random sample has been selected and test the given claim. Use the diastolic blood pressure measurements (in mm Hg) for adult females listed in the accompanying data table and test the claim that the adult female population has a mean diastolic blood pressure level less than 90mm Hg. Suppose a diastolic blood pressure above 90 is considered to be hypertension. Use a 0.10 significance level. Based on the result, can we conclude that none of the adult females in the sample have hypertension? 699679657181595074886958716464885583726370728972666772837489617175928662798177847559657660666452677262717865866095577575587964914646677157726873706673647157578271726565835476745291568383786871618957777689637181437274447187806867717965976770636768756169525568677475407354697865736368549470658553 Identify the value of the test statistic. Identify the P-value.Do campers with trailers really get better mileage per gallon on the highway? The table shows results from a study of the MPG (miles per gallon) of campers with trailers both in the mountains and on desert roads. Assume that the two samples are randomly selected, independent, the population standard deviations are not know and not considered equal. At the 0.05 significance level, test the claim that the mpg on desert roads is better than in the mountains. MPG on Desert Roads 30.9 32.6 28.4 25.4 35.1 32.4 31.1 30.9 34.1 35.5 MPG in the Mountains 24 21.2 22.3 24.9 23.2 24.2 25.1 25.8 23.1 28.1 What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.) Hg: Select an answer v Select an answer H: Select an answer ? v Select an answer v Original Claim = Select an answer v df =
- A data set includes data from student evaluations of courses. The summary statistics are n=97, x=3.44, s=0.61. Use a 0.05 significance level to test the claim that the population of student course evaluations has a mean equal to 3.50. Assume that a simple random sample has been selected. Identify the null and alternativehypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? A. H0: μ=3.50 H1: μ≠3.50 B. H0: μ=3.50 H1: μ>3.50 C. H0: μ=3.50 H1: μ<3.50 D. H0: μ≠3.50 H1: μ=3.50 Determine the test statistic. nothing (Round to two decimal places as needed.) Determine the P-value. nothing (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. ▼ Fail to reject Reject H0. There is ▼ sufficient not sufficient evidence to conclude that the mean…6A researcher wishes to test whether the mean of a normally distributed population is greater than 1.06 at the 5% significance level. Based upon 22 independent observations, she observes a sample mean of 1.77 and a sample standard deviation of 0.84. Determine the degrees of freedom of the null distribution of Student's t test.