Mathematics, 05.08.2019 19:20 amelvin41
Pschological tests are often used to determine the hostility levels in people. high scores on the hlt pschological test corresponds to high hostility levels. suppose that 26 college students, all with equally high hlt test scores, were separated into two groups randomly. group 1 (10 students) was treated for high hostility levels by using method a; whereas group 2 (16 students) was treated for high hostility levels by using method b. both groups were treated for a period of 5 months, at which time all 26 students were again given the hlt test. below is the summary data on the hlt test for the two groups. group 1: sample mean is 79 and sample standard deviation is 7group 2: sample mean is 84 and sample standard deviation is 8compute a 95% confidence level for the difference in the means of the two treatment methods and select the best answer below. assume that the independent random samples were taken from normal distributions and that the two population variances are equal.
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Mathematics, 21.06.2019 19:30
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Mathematics, 21.06.2019 20:20
Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.
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Mathematics, 22.06.2019 01:20
Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1
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Mathematics, 22.06.2019 04:50
Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor trails. the vapor trails from two other jets flying from another direction crossed over the parallel trails. she printed her picture and labeled the angles and lines. assume lines c and d are parallel and 2 measures 98°. which statements are true? check all that apply. 3 = 6 = 98° 3 = 14 = 98° 4 = 8 = 82° 4 = 12 = 82° 5 = 8 = 82°
Answers: 3
Pschological tests are often used to determine the hostility levels in people. high scores on the hl...
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