The table below shows the result of a 5 point musical aptitude test given to a group of first grade students. Score 0 1 3 5 Frequency 12 10 27 49 b) Find the median aptitude score. 5 6 a) Find the average aptitude score. Report your answer to 4 decimal places.
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A: From the provided information, Sample size (n) = 8 Level of significance (α) = 0.05
Q: Is the average time to complete an obstacle course longer when a patch is placed over the right eye…
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Q: Is the average time to complete an obstacle course longer when a patch is placed over the right eye…
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- Scores on a test have a mean of 66 and a standard diviation of 9. Michelle has a score of 57. Convert Michelles score to z-score.Is the average time to complete an obstacle course different when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right 48 44 47 40 46 41 46 48 Left 45 42 45 36 45 35 44 45 Assume a Normal distribution. What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: `0:` `a:` 2. The test statistic = (please show your answer to 4 decimal places.) 3. The p-value = (Please show your answer to 4 decimal places.)Is the average time to complete an obstacle course different when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right 40 40 41 43 49 48 45 48 Left 37 36 41 43 48 46 46 43 Assume a Normal distribution. What can be concluded at the the a = 0.05 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Họ: pd vV (please enter a decimal) Select an answer v H1: ud vv (Please enter a decimal) Select an answer v b. The test statistic t v- (please show your answer to 3 decimal places.) c. The p-value = (Please show…
- Show all your solutions. Use band paper. if you will use multiple papers put a page at the bottom right. Take a picture of your solutions and answers in portrait orientation. List only the names of your group members who participated. 2) TEST SCORES: Find the value that corresponds to the 6o" percentile in the data set 12, 28, 35, 42, 47, 49, 50 Give an Interpretation of your answer.A large group of people get together. Each one rolls a die 120 times, and counts the number of aces (with a single dot). About what percentage of these people should get counts in the range 10 to 30? Choose the closest answer.Is the average time to complete an obstacle course longer when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right 43 42 45 43 42 43|| 44 44 Left 42 42 47|| 41 42 43 46 || 44 Assume a Normal distribution. What can be concluded at the the a = 0.01 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer v Select an answer v Select an answer v (please enter a decimal) H: Select an answer v Select an answer v| Select an answer v (Please enter a decimal) b. The test statistic ? v (please…
- A couple plans to have 5 children. Assume that girl and boy births are equally likely. Find the mean number of girls in 5 births. Round your answer to one decimal place, if needed.Is the average time to complete an obstacle course longer when a patch is placed over the right eye than when a patch is placed over the left eye? Eight randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Right 40 46 42 45 40 48 42 42 Left 38 46 41 45 36 45 39 43 Assume a Normal distribution. What can be concluded at the the αα = 0.05 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: (please enter a decimal) Ha:Ha: (Please enter a decimal) The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The…A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results. Positive Negative Total Pregnant 54 9 63 Not Pregnant 4 55 59 Total 58 64 122 Round your answers to the nearest thousandth.PP(positive∣∣pregnant) = PP(pregnant∣∣positive) = PP(negative∣∣pregnant) = PP(not pregnant∣∣negative) =
- Since 1994, the Best Roller Coaster Poll has been ranking the world's roller coasters. In 2013, Bizarro dropped to 4th after eaming the top steel coaster rank for six straight years. Data on 11 of the top steel coasters from this poll are presented in the accompanying lable What do these data indicate about the Length of the track and the Duration of the ride you can expect? E Click the icon to view the steel coaster data. Construct a scatterplot of the data. Choose the correct plot below. A. OB. O D. Q 240 240 240- 240 40 2000 6000 Length (A) 40 2000 6000 2 40 2000 6000 (2 Length () 40 2000 Length () 6000 ( Length (n) Find the correlation coefficient. Steel coaster data (Round to three decimal places as Маx Max Vert Duration Height Speed (sec) Length (ft) Initial Angle Rank Roller Coaster (mph) (degrees) Park 1 Expedition GeForce Holiday Park Six Flags Kings Dominion SF New England Hersheypark Cedar Point PortAventua Six Flags Mirabilandia Location Drop (ft) (ft) DE 184 75 188 74.6 82…The 2004 General Social Survey asked a random sample of 977 adult Americans how often they feel rushed, with three options to choose from: always, sometimes, and never. The sample result was that 304 of the 977 people responded "always." Calculate the p value (four decimals)