Do students perform better when they take an exam alone than when they take anexam in a classroom setting? Eight students were given two tests of equal difficulty.They took one test in a solitary room and they took the other in a room filled withother students. The results are shown below.Exam Scores92 88 79 70 86 74 78 74Classroom 89 82 76 60 86 67 75 75AloneCopy to ClipboardAssume a Normal distribution. What can be concluded at the a = 0.05 level ofsignificance?For this study, we should useSelect an answera. The null and alternative hypotheses would be:Ho: Select an answerSelect an answerSelect an answer v (please enter adecimal)H: Select an answerSelect an answerSelect an answer(Please enter adecimal)b. The test statistic ?|(please show your answer to 3 decimalplaces.)c. The p-value =(Please show your answer to 4 decimal places.)

a. The null and alternative hypotheses would be: p: Select an answer v Select an answer v Select an answer cimal) (please enter a Select an answer 1: Select an answer cimal) Select an answer | (Please enter a b. The test statistic ? (please show your answer to 3 decima places.) c. The p-value = (Please show your answer to 4 decimal places.)

a. The null and alternative hypotheses would be: p: Select an answer v Select an answer v Select an answer cimal) (please enter a Select an answer 1: Select an answer cimal) Select an answer | (Please enter a b. The test statistic ? (please show your answer to 3 decima places.) c. The p-value = (Please show your answer to 4 decimal places.)

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A weatherman stated that the average temperature during July in Baguio City is less than 20 degrees Celsius. A sample of 32 Julys is taken. The correct set of hypotheses is __________.
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.6 bpm. For a random sample of 158 adult males, the mean pulse rate is 67.1 bpm and the standard deviation is 11.4 bpm. Complete parts (a) and (b) below. a. Express the original cialm in symbolic form. bpm (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. Ho: bpm
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The agriculture extension office wants to test the claim that GMO carrots are longer than Organic carrots. What kind of hypotheisis test is this? O 1 Proportion z-test 2 Proportions z-test 1 Mean t-test 2 Means Matched Pairs t-test 2 Independent Means t-test Which hypotheses do we want to test? O Họ: H1 = H2 HẠ: H1= H2 O Họ: H1 = H2 HA: H1 = H2 O Ho: H1 = H2 HA: H1> H2 O Ho: H1 = H2 HA: H1< H2
1
1.Determine the test statistic. (Round to three decimal places as needed.) 2.Determine the P-value of the test statistic. (Round to four decimal places as needed.) 3. use 0.01 significance to test the claim
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