Subject Kscore1 Kscore2 difference 1 17 22 5 2 17 21 4 3 15 21 4 19 26 7 18 20 2 6. 14 14 7 27 31 4 8 20 18 -2 9 12 22 10 10 21 20 -1 11 20 27 7 12 24 23 -1 13 17 15 -2 14 17 24 7 15 17 24 7 mean difference = 3.533333 sddiff= 3.925497 p-value= 0.003634

Q: Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant.…

A: Let X represent the amount spent by customers for lunch which is given as follows. 20.50 14.63 23.77…

Q: You wish to determine which of two brands of TVs is more expensive. You conduct the following…

A: Given that, there two brands of TVs Onion & Luna. We need to test  if the Onions TVs are more…

Q: students and obtained the following data: 7.9, 5.5, 7.6, 6.2, 6.5, 7.8, 7.2, 7.5, 6.5, 8.5, 6.9,…

A: The given data is 7.9 5.5 7.6 6.2 6.5 7.8 7.2 7.5 6.5 8.5 6.7 7.5 9.4 7.6 6.2 5.6 8 8.1 5.9 7.3…

Q: The number of people treated in the emergency room of a hospitalevery day from November to December…

A: First write the data in ascending order 16, 18, 18, 19, 19, 19, 20, 20, 20, 20, 20, 20, 21, 21, 22,…

Q: You wish to test the following claim (H1H1) at a significance level of α=0.05       Ho:μ1=μ2…

A: Here, n1=64 Mean of sample 1 is given by x¯1=∑x1n1=4354.464=68.0375 Sample variance sample 1 is…

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Q: ou wish to test the following claim (Ha) at a significance level of α=0.001       Ho:μ1=μ2…

A: Given:   Sample 1 Sample 2 71.4 66.1 37 69.2 34.1 62.4 67.8 67.1 68.8 71.9 56.5 71.1…

Q: The standard deviation for the following :sample is Class limits Frequency 2 19-13 7 26-20 12 33-27…

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Q: 0. 1. Calculate mean from the raw-data collected by Mr. X, of 10 students and the following height…

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Q: 5. Astudent wanted to determine whether the wait time in the drive through at McDonald's differed…

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Q: 4. The distribution of the number of mistakes made by 200 students taking GNED 03 in a…

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Q: Find the 90% interval for the population deviation with the data from the following sample. 26 25…

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Q: 15. x:  471.7     659.3        740.5      790.5        781.3         1047.3        969.5…

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Q: 5. The following data are the ages of diabetic patient of a certain hospital. A are the ages of nine…

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Q: Unscented-Trial      Scented-Trial 38.4                         53.1 46.2…

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Q: You wish to test the following claim (Ha) at a significance level of α=0.05       Ho:μ1=μ2…

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Q: Calculted mean ,median,and mode for the following Classis 9.8_10.2 Frequncy. 7 Classis 10.3_10.7…

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Q: You wish to test the following claim (Ha) at a significance level of α=0.02      Ho:μ1=μ2…

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Q: Here is a sample data set. 332.1 341.1 346 | 360.9 362 | 366.7 395.6 402.7 424.8 427.7 452.2 454.2…

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Q: Unscented-Trial      Scented-Trial 38.4                         53.1 46.2…

A:

Q: Given the following scores of 10 students from a class of 50,  in a 30-item quiz in English, compute…

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Q: At the 0.05 significance level test the claim that the four brands have the same mean Brand A…

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Q: of 10 observations with the ranges for each of the samples are given in minute in the table below:…

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Q: 9.28 The file Fast Casual contains the amount that a sample of 15 customers spent for lunch ($) at a…

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Q: Activity: Find the best point estimate of the population mean.

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Q: The lengths in inches of 20 new babies born in one week at a local hospital were recorded. 14.5,…

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Q: Draw the mean and range charts from the following data and state your conclusion. Sample No. 1 3 4 5…

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Q: Use specific statistical tool so check that modules have strong impact on average 10 11 12 3 14 15…

A: Pre-module Score (X) Post-module Score (Y) D= X-Y (D-Dbar)^2 18 22 -4 4 21 25 -4 4 16 17 -1 1…

Q: If employees’ salaries ( in hundred £) in company ABC are as follows: 11, 15, 17, 14, 16, 16, 14,…

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Q: 2. x:  471.7     659.3        740.5      790.5        781.3         1047.3        969.5…

A: To find the mean of y.

Q: (10%) The following medians were obtained from random samples 11 10 13 9. 7 13 11 12 8 10 9 9. 15 7…

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Q: You wish to test the following claim (Ha) at a significance level of α=0.10       Ho:μ1=μ2…

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Q: 1. Construct the X bar and R bar Chart for the following data. Sample Obs 1 Obs 2 Obs 3 Obs 4 Obs 5…

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Q: 1 19 3 1 19 1 20 1 20 4 21 144 6. 21 67889 15 22 000012 (11) 22 55556777799 15 23 0011112223344 2 23…

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Q: You wish to test the following claim (Ha) at a significance level of =0.01.         Ho:μ1=μ2…

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Q: You intend to estimate a population mean u from the following sample. 62.3 65.3 68.6 54.8 76.5 65.7…

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Q: If one sample has n = 4 and SS = 90 and a second sample has n = 8 and SS = 150, then the estimated…

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Q: Which of the following would be an appropriate test statistic for Nolan's test? 36 – 45 t = 5.5 A…

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Q: Five persons, who were suffering from depression, attended 10 one-hour counseing sessions. The…

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Q: 1 Some daily maximum temperatures were recorded in July in three cities. City Temperature (°C)…

A: Since we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…