What is the Chi squared (χ2) statistic in the follow statistical statement χ2 (2, N = 67) = 6.72, p = .021?a) 6.72b) 67c) 2d) .21

Given info: The Chi squared (χ2) statistic is χ2 (2, N = 67) = 6.72, p = .021. Chi-square test: It…

Answered: What is the Chi squared (χ2) statistic…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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7) At one college, GPA's have a distribution that is unimodal and symmetric with a mean of 2.6 and a standard deviation of 0.5. What is the range of GPA's from one standard deviation below the mean to one standard deviation above the mean? A) 2.6 to 3.1 B) 2.1 to 3.1 C) 0.5 to 3.1 D) 2.1 to 2.6
What is the area of -0.45 in the standard normal distribution? A.) 1 B.) 0.5 C.) 0.6736 D.) 0.3264 E.)0 F.) None of the above, as it depends on the situation
help with 2a-f
Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a standard deviation of 12. What proportion of people has diastolic blood pressures less than 80? A)0.661 B)0.338 C)0.50 D)0.75
Assume the scores on a trivia challenge test are normally distributed with a mean μ = 76 and standard deviation of o = 6. a) Alisha received a score of 80. What is the z-value of Alisha's score? (Round to two decimal places). z= b) What percentage of scores fall between 64 and 88? c) What percentage of scores are between 70 and 88? d) What percentage of scores are below 70? % % % e) Find the first quartile of the data set. (Round to one decimal place)
The average score on a communications exam was found to be 82 with a standard deviation of 5 points. Assuming these scores were normally distributed, what is the 10th percentile of these exams? a) 88.4 b) 1.28 c) 75.6 d) -1.28

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