A sample sequence of 42 products is selected (in order) from an assembly line. Each product is examinedand judged to be either acceptable or defective. A total of 35 of these products were found to beacceptable, and the other 7 were found to be defective. The number of runs was 5. The runs test is to beused at the 0.05 significance level to test for randomness.Find the value of the test statistic used in this test, and round it to 3 places after the decimal point (ifnecessary)Test statistic:Submit QuestionDIIF34RF4%5TGAF5A6YHF6&7UF7PrtScn8F8KHome9F9OEndF10P

Given: Number of acceptable products n1 = 35 Number of defective products n2 = 7 Number of runs R =…

Answered: A sample sequence of 42 products is…

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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40 people are randomly sent to walk one of four trails. The time (in minutes) they spend completing each trail is recorded in the table below. (a) Test to see if the times needed to complete a trail vary. Use a 0.05 significance level. (b) Test each pair (A/B, A/C, A/D, B/C, B/D, C/D) to see which trails have a statistically significant difference. Indicate your p-value for each comparison, and when the effect is statistically significant (use 0.05 as your significance level), declare which trail of the two takes more time to complete. Trail A - 30, 33, 41, 27, 36, 31, 37, 40, 29, 35 Trail B - 27, 33, 38, 41, 40, 38, 35, 44, 41, 39 Trail C - 25, 34, 41, 39, 32, 30, 36, 35, 27, 33 Trail D - 41, 39, 46, 37, 40, 42, 50, 42, 50, 33, 47, 43
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(b) Compute the value of the test statistic. Round the answer to at least three decimal places.
Generate 10000 instances of a poisson (10) random variable and then compute the sample mean, sample variance, and sample standard deviation.
A simple random sample of size n = 200 drivers with a valid driver's license is asked if they drive an American-made automobile. Of the 200 drivers surveyed, 118 responded that they drive an American-made automobile. Determine if a majority of those with a valid driver's license drive an American-made automobile at the a = 0.05 level of significance. ..... What type of variable is "drive an American-made automobile, or not"? A. Qualitative with two possible outcomes B. Discrete C. Continuous…
answer the following
A random sample of employees participating in a company fitness program were asked how many days they logged an exercise activity in the past month. Their responses are reported in the histogram below.Based on the histogram above, what is the class width? Clas width = ? Days What is the sample size? Sample size = ? employees
In a completely randomized design experiment, 10 experimental units were randomly chosen for each of three treatment groups and a quantity was measured for each unit within each group. In the first steps of testing whether the means of the three groups are the same, the sum of squares for treatments was calculated to be 3,110 and the sum of squares for error was calculated to be 27,000. Complete the ANOVA table. Source df SS MS F Treatments Error Total
According to the Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft. This year, a certain state kept track of the number of its 1325 complaints were for identity theft. They want to know if the data provide enough evidence to show that this state had a different proportion of identity theft than 23%? State the random variable, population parameter, and hypotheses. Fill in the correct null and alternative hypotheses. H0:H0: HA:HA: A Type I error in the context of this problem would be A Type II error in the context of this problem would be
The Higher Education Research Institute at UCLA collected data from 302,458 incoming freshmen from 315 four-year college and universities in the Unitéd States. 74.5% of those students replied that, yes, they believe that same-sex couples should have the right to legal marital status. Suppose that you randomly pick eleven freshmen from the survey. You are interested in the number that believe that same-sex couples should have the right to legal marital status. X ~ 7 Find the probability that exactly 4 of the 11 freshmen sampled believe that same-sex couples should have the right to legal marital status. Find the probability that at least 9 of the 11 freshmen sampled believe that same-sex couples should have the right to legal marital status. Find the mean of the distribution. Find the standard deviation of the distribution. Ouection Heln O Rect to foruum

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