TesttheClaim that themean number of heacachespeople get in a week greatergreater than or gequal to 9.a significance level of . 12UseNumber of headachesthe memberstheSAmple. hadin a week.1313153.2.414131512 63.1 N N.

The hypothesis test for one-sample mean can be done either by a z-test or a t0test.

Answered: Test the Claim that the mean number of…

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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Which of the following statements are true? |. In a data-set that is symmetric, the mean is approximately equal to the medi II. In a data-set that is right-skewed, the mean will be less than the median III. Skew of a data set has a negligible effect on the mean, but can strongly affec median
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Last weekend, police ticketed 16 motorists from Edmonton whose mean speed was 116 kilometres per hour (kph), and 34 motorists from Calgary going an average of 120 kph. Overall, what was the mean speed of all the people ticketed? Answer: (Please round your answer to 2 decimal places.)
Suppose X - N (8, 2). Between what a values does 68.22% of the data lie? The range of x values is centered at the mean of the distribution (i.e., 8). Enter your answers in increasing order, to the nearest integer. 68.22% of the data lie between Number and Number
please find the test statistic find the p-value for the found test statistic round the p-value to the four decimal places as needed.
Also find the p value
me of a CIA agent is greater than $81,623 (based on data from payscale.com) given that the test statistic is t = 1 20 for a sample of 40 CIA agents. 4. P-Value Find the P-value in a test of the claim that the mean annual 1.304
Miswrote P(x) 0.041 for 0.141, which changes the mean to 1.5.
researchers wanted to determine if carpeted rooms contained more baterica than uncapted rooms. to determine the amount of bacterica in a room reseachers pumpled the air from the room over a petri dish at the rate of 1 cubic foot per minute for eight carpeted rooms and eight uncaprted rooms. colonies of baterica were alled to form in 16 petri dishes. the results shown below are the baterica counta per cubic foot mean standard deviation sample size capeted room 11.2 2.6774 8 uncapted room 9.7875 3.21 8 you want ti test using sigificance level of 0.01 whether the mean bactiria count is high for carpeted rooms than for uncapteed rooms. test whether the mean bacteria count is high for carpeted rooms thatn uncarpeted rooms. show all steps using the p value method. what is Ho and H1? what is the test statsic and p value? what conclusion can be made?
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options for first to blanks : 1- between 0.05 and 0.20 /2- greater than 0.20 / 3- less than 0.2 options for last blank : 1- handrubbing with alcohol / 2- handwashing with soap
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Test the Claim that the mean number of headaches people get in a week greater greater than or gequal to9. Vse a significance tevel of.12.