Critical value, level of risk
Not what you're looking for?
1. (10) The CEO for the Red White and Blue T-Shirt Company expects quality garments produced with a minimum of defective garments. Further, he expects the same quality work from his employees regardless of whether they work in the day or in the evening. To test productivity quickly, he has his shift foremen record the number of defective T-shirts produced in a randomly sampled week. At the 1% level of risk, use your calculator to perform a related-groups test for means. Data are in the table below.
Monday Tuesday Wednesday Thursday Friday
Day Employees 12 5 2 1 10
Evening Employees 8 4 6 5 10
(a) (1) H0:
(b) (1) H1:
(c) (1) Critical Value: t =
(d) (4) Test Statistic (Show procedure.): t =
(e) Decision on H0:
(f) Conclusion on the problem:
Purchase this Solution
Solution Summary
A critical value and level of risk for a Red White and Blue T-Shirt Company is examined.
Solution Preview
a) (1) H0: μ_1 = μ_2
b) (1) H1: μ_1 ≠ μ_2
c) (1) Critical value: t = 0.01
d) (4) Test Statistic (Show procedure.): t =
Since both the sample sizes n1 = 5 and n2 = 5 are less than 30, we can use the t-test to ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.