QUESTION-1The data set in the following table contains the number of defectives in seven lots, each containing 50items. Is the process under control? Determine a value for k between 5sks18Lot number Number of Defectives in Lot12345671216101510k12

In this problem, we are presented with a dataset containing the number of defectives in seven lots,…

Answered: QUESTION-1 The data set in the…

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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a. Calculate the population mean monthly salary, µ. There are 15 possible samples of size 4 from the population of six officers. They are listed in the first column of the following table. Sample Salaries А, В, С, D 8, 12, 16, 20 14 А, В, С, Е 8, 12, 16, 24 15 А, В, С, F 8, 12, 16, 28 16 A, B, D, E 8, 12, 20, 24 8, 12, 20, 28 8, 12, 24, 28 16 А, В, D, F А, В, Е, F A, C, D, E 17 18 A, C, D, F А, С, Е, F A, D, E, F В, С, D, E В, С, D, F В, С, Е, F B, D, E, F C, D, E, F b. Complete the second and third columns of the table. c. Complete the dotplot for the sampling distribution of the sample mean for samples of size 4. Locate the population mean on the graph. 14 15 16 17 18 19 20 21 22 d. Obtain the probability that the mean salary of a random sample of four officers will be within 1 (i.e., $1000) of the population mean.
Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows. # of movies Frequency Relative Frequency Cumulative Relative Frequency 0 4 1 10 2 8 3 2 4 1 (a) Construct a histogram of the data. (b) Complete the columns of the chart. (Enter exact numbers as integers, fractions, or decimals.) # of movies Frequency Relative Frequency Cumulative Relative Frequency 0 4 1 10 2 8 3 2 4 1
a. Construct a boxplot for the data in this sample b. What type of shape does the distribution of the sample appear to have?
In a study conducted by some Statistics students, 73 people were randomly assigned to listen to rap music, music by Mozart, or no music while attempting to memorize objects pictured on a page. They were then asked to list all the objects they could remember. The summary statistics for each group are shown in the table. Complete parts a and b. HA: HM-HRU C. Ho: HM-HR <0 HA: HM-HR=0 ... Count Mean SD HA: HM-HRU D. Ho: HM-HR = 0 HA: HM-HR <0 Rap Mozart The 90% confidence interval for the negative difference in means is (.). (Round to three decimal places as needed.) 33 • 20 10.88 10.15. 3.71 3.04 No Music 20 13.29 4.88 Test the hypothesis. t = -0.78 (Round to two decimal places as needed.) P = 0.7799 (Round to four decimal places as needed.) State your conclusion. Use α = 0.05. Do not reject Ho. There is no evidence that the mean number of objects remembered by those who listen to Mozart is higher than the mean number of objects remembered by those who listen to rap music. b) Now compare…
From this population data set: (3, 6, 9, 12, 18), how many possible samples with sample size of 3 can be chosen? O a. 3 O b. 5 O c. 10 Od. 15
5
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Using the same question from #3 A survey is done to find out the favorite movies of 500 children. The children are categorized into male and female, and a sample of 50 children is chosen. Answer the following question: If the number of female children is 300, what is the sample size of each stratum? a male sample: 40 and female sample: 10 b male sample; 25 and female sample: 25 c male sample: 30 and female sample: 20 d male sample: 20 and female sample: 30
Superpowers A total of 415 children from the United Kingdom and the United States who completed a survey in a recent year were randomly selected. Each student's country of origin was recorded along with which superpower they would most like to have: the ability to fly, ability to freeze time, invisibility, superstrength, or telepathy (ability to read minds). The data are summarized in the following table. Country U.K. U.S. Fly 54 45 Freeze time 52 44 Invisibility 30 37 Superpower 20 23 Superstrength Telepathy 44 66 a. What proportion of students in the sample are from the United States? b. Find the distribution of superpower preference for the students in the sample using relative frequencies. c. What percent of students in the sample are from the United Kingdom and prefer telepathy as their superpower preference?
Last school year, the student body of a local university consisted of 35% freshmen, 24% sophomores, 26% juniors, and 15% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. Freshmen 90 Sophomores 60 Juniors 90 Seniors 60 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. The calculated value for the test statistic equals a. 0.5444 b. 2.789 c. 10.989 d. 15.231
At a football game, 40 fans were randomly surveyed. Of the sampled fans, 6 named Daren as the best player. Given this sample, if there are 12,000 fans altogether at the game, how many fans would likely name Daren as the best player? O 720 O 1,800 O 4,800 O 80,000 Choice Blocker Highlight Line Viewer Ruler Ruler (Grades 2&3) Protractor Calc Basic Calc Sci Reference Try Desmos Graphing Calc
From a Population consisting of following values of 2,2,4,4 and 8, how many samples of size two can be drawn ? Select one: a.12 b.10 c.13 d.9 e.11

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QUESTION-1 The data set in the following table contains the number of defectives in seven lots, each containing 50 items. Is the process under control? Determine a value for k between 5sks18 Lot number Number of Defectives in Lot 1 2 3 4 5 6 7 12 16 10 15 10 k 12