QUESTION 8 Which group of scores exhibits the most variability a. 65, 66, 67, 68 O b. 2, 3, 4, 5 О с. 11, 12, 13, 14 O d. 1, 3, 5, 7
Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…
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Q: QUESTION 10 You are interested in seeing whether emotions impact decision making. You have three…
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A: Given Population size N= 2000 Mean =100 Standard deviation =15
Q: Question 5 If a single person from your sample in #4 obtained an IQ score of 96, at which percentile…
A: Here, µ= 100, σ= 15. Thus, X~ N (100, 15).
Q: 8. The following are exam marks in (%): 71, 9O, 63, 54, 68, 85, 42, 77, 60, 74, 56, 50, 82, 94, 70.…
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A: Solution: 16. 1. The given data is 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63,…
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Q: You are interested in seeing whether emotions impact decision making. You have three groups--a happy…
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Q: Question 13
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Q: You are interested in seeing whether emotions impact decision making. You have three groups--a happy…
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Q: QUESTION 6 Find the standard deviation of the following numbers: 1, 1, 4, 6, 8, 10, 10, 12
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Q: QUESTION 9 You are interested in seeing whether emotions impact decision making. You have three…
A: Given that Number of treatment = k = 3 Sum of square between sample = SSB = 1.6
Q: QUESTION 12 You are interested in seeing whether emotions impact decision making. You have three…
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- helpQUESTION 13 You are interested in seeing whether emotions impact decision making. You have three groups--a happy group, a sad group, and a neutral group. For the happy group there are 5 participants and the mean risky decision making score 5.0 with a standard deviation of 0.7. For the sad group there are 5 participants and the mean risky decision making score 5.4 with a standard deviation of 1.1. For the neutral group there are 5 participants and the mean risky decision making score 5.8 with a standard deviation of 2.8. The sum of squares between samples is equal to 1.6. The sum of squares within samples is equal to 38.0. You calculated the f-ratio above. The corresponding p-value for the f-ratio you calculated is p = 0.78. Do you accept or reject the null hypothesis? O You accept the null hypothesis because your p-value is greater than .05 and not significant. O You reject the null hypothesis because your p-value is greater than .05 and significant. O You accept the null hypothesis…• Question 19 Find the standard devlation of 4,12,5,10,7. Assume this data is from a sample. Give your answer rounded to one decimal place. Remember to show your work on your paper. > Next Questlon
- An experiment was conducted in which two fair dice were thrown 100 times. The sum of the pips showing on the dice was then recorded. The frequency histogram to the right gives the results. Use the histogram to complete parts (a) through (f). (a) What was the most frequent outcome of the experiment? Frequency 20- -N 2 Sum of Two Dice -to -ra 6 8 Value of dice 10 12 Q 17Question 23 A test had 12 items. A new version of a test was made by adding a set of 12 items which resembles the original 12-item test. The new test having 24-items was administered a group of students. The mean and the standard deviation of the new 24-item test scores were 18 and 6, respectively. The difference score between the original 12-item test and the new set of 12 items was calculated. The standard deviation of the difference scores was 3. Estimate reliability.Question 2 The Z- scores of an accepted range of Pizza Pockets is between -1.10 and 0.51. If there are 250 000 pizza pockets made, how many of those Pizza Pockets will be rejected?
- QUESTION 7 You are interested in seeing whether emotions impact decision making. You have three groups--a happy group, a sad group, and a neutral group. For the happy group there are 5 participants and the mean risky decision making score 5.0 with a standard deviation of 0.7. For the sad group there are 5 participants and the mean risky decision making score 5.4 with a standard deviation of 1.1. For the neutral group there are 5 participants and the mean risky decision making score 5.8 with a standard deviation of 2.8. The sum of squares between samples is equal to 1.6. The sum of squares within samples is equal to 38.0. What is the degrees of freedom within samples? Please do the calculations on the handout provided.Question 2 of 10 To estimate the mean height of female high school juniors, you take a random sample of 30 female students and get these results (in inches): 72, 51, 67, 68, 61, 69, 58, 56, 60, 56 66, 61, 60, 59, 59, 54, 58, 53, 68, 63 57, 62, 63, 64, 56, 62, 58, 67, 57, 70 If the o is 5.3, based on past research, and you want to construct a 97% confidence interval using (estimate) ± (margin of error)= (estimate) ± z* what's your value for z*? O A. 1.645 В. 2.17 О с. 1.96 D. 2.576 O E. 1.88When Cohen's d indicates a medium effect (based on Cohen's conventions), the amount of overlap between the two distributions being compared is ________%. Question 5 options: 15 67 53 75
