placebo: 110, 89, 86, 87, 85, 87, 74, 85 sleeping pill: 99, 84, 94, 87, 87,...

placebo: 110, 89, 86, 87, 85, 87, 74, 85 sleeping pill: 99, 84, 94, 87, 87, 106,102, 91 given data above. patients are testing out the new sleeping pill. Subjects' rapid eye movement (REM) was measures before and after they received the sleeping pill. 1)critical t or z value? 2)reject or fail to reject the null hypothesis 3)compute 95% confidence interval around the sample mean 4) compute Cohens d and explain its meaning 5) summarize your results using the correct format

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orchestra answered 2 years ago

77 80 80 84 84 85 86 86 87 87 89 93 94 94 96 96...

77 80 80 84 84 85 86 86 87 87 89 93 94 94 96 96 97 97 97 98 99 100 100 102 102 103 104 104 104 105 105 106 106 109 110 110 115 125 127 128 An electric supplier tracks the response time to customers reported outages. The data given above is a random sample of 40 of the response time (in minutes) for one operating division of this utility during a single month. The utility...

Depression Anxiety 79 80 87 97 95 85 93 85 86 94 96 94 95 94...

Depression Anxiety 79 80 87 97 95 85 93 85 86 94 96 94 95 94 98 76 84 61 97 97 97 97 97 88 100 97 89 94 94 88 98 97 98 94 94 73 89 94 93 82 83 79 90 97 88 100 84 91 93 94 86 94 84 88 88 94 92 94 95 89 95 79 83 76 Perform the appropriate test and provide a narrative write up for the Depression and...

For the following data 86 84 91 75 78 80 74 75 87 76 82 90...

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Consider the following sample: 120, 94, 88, 67, 82, 106, 140, 102, 87, 99, 106, 86,...

Consider the following sample: 120, 94, 88, 67, 82, 106, 140, 102, 87, 99, 106, 86, 105, 93 a) Calculate the sample mean and the sample standard deviation b) Calculate the sample range. What does it mean? c) What is the mode of the data distribution? d) Construct a box plot and interpret the result. e) Identify the 45th percentile and interpret the result. f) If the two largest data from above data distribution is removed, then what will be...

92 99 96 94 94 94 90 95 90 89 89 80 83 88 88 1. What...

92 99 96 94 94 94 90 95 90 89 89 80 83 88 88 1. What is the n? __________ 2. What is ∑x ? __________ 3. What is ∑x2? __________ 4. What is (∑x)2? __________ 5. What is the range? __________ 6. What is the mean? __________ 7. What is the median? __________ 8. What is the mode? __________ 9. What is the variance? __________ 10. What is the standard deviation? __________ 11. If Kara scored a 90 (x)….What is her Z-score? __________ 12. If Sara scored a 95….What is her T-score? __________ 13. Mark scored an 88 (one of...

Gas Heated Homes Central Electric Heat Pump 86 78 86 84 78 83 82 87 80...

Gas Heated Homes Central Electric Heat Pump 86 78 86 84 78 83 82 87 80 86 72 92 82 63 89 At α= .05, test to see if there is a significant difference among the average bills of all the homes (in a city) using three forms of heating. Use both the critical and p-value approaches. Be sure to include your hypotheses, critical values, results, and conclusions in the language of the problem.

Below you are given the examination scores of 20 students. 52 99 92 86 84 63...

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Listed below are test grades for certain test. 27, 67, 85, 38, 92, 99, 87, 40,...

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29; 37; 38; 40; 58; 67; 68; 69; 76; 86; 87; 95; 96; 96; 99; 106;...

29; 37; 38; 40; 58; 67; 68; 69; 76; 86; 87; 95; 96; 96; 99; 106; 112; 127; 145; 150 What is the Standard deviation (please round to two decimal places)?

6-year Graduation Rate Status All students athletes Duke Private 95% 87% UNC-CH Public 86% 74% NCSU...

6-year Graduation Rate Status All students athletes Duke Private 95% 87% UNC-CH Public 86% 74% NCSU Public 71% 51% Wake Private 88% 80% ECU Public 54% 58% UNC-C Public 51% 59% BC Private 91% 90% Clemson Public 79% 66% FSU Public 70% 53% Ga Tech Public 77% 56% U-MD Public 82% 66% Miami Private 77% 70% UVA Public 93% 73% Va Tech Public 78% 72% UC-Davis (D-II) Public 81% 81% Florida Public 82% 61% UGA Public 79% 59% Illinois Public...

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