What is the p-value? The agent of a popular American singer wants to see if there is a difference in the average price of concerttickets in Phoenix and New York City. The agent samples 20 ticket stubs from Phoenix and 25 from New YorkCity. Test the claim using a 0.05 level of significance. Give answer to at least 4 decimal places.Phoenix New York City1010581071081010109910512791081010101112121012881212131199111213151210Ox81211

Given information: The data is given. Sample size:n1=20n2=25α=0.05 Find: Test the given claim and…

Answered: The agent of a popular American singer…

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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22 percent of students are male. 33 percent of students take a Statistics course. 48 percent of male students take statistics. Give your answers as a decimal to 4 decimal places.(a) What percent of students are male that take a statistics course? (b) What percent of students are females that take a statistics course?
Reading is fundamental to a teenager's ability to perform well in school. Assume a researcher is interested in the ability of the number of books read over the summer to predict ACT Reading scores. Using a random sample of 10 random high school students the researchers recorded the number of books read over the summer and the students' ACT Reading scores. Books Read (X) ACT Score (Y) (X- Xmean) (Y - Ymean) (X-Xmean)(Y-Ymean) (X-Xmean)? (Y - Ymean)? 2 16 -5.4 -14.9 81 29 221 2 19 -5.4 -11.9 64 29 141 3 17 -4.4 -13.9 61 20 192 4 25 -3.4 -5.9 20 12 34 21 -3.4 -9.9 34 12 97 24 -1.4 -6.9 10 2 47 6 21 -1.4 -9.9 14 2 97 8 24 0.6 -6.9 -4 47 7 27 -0.4 -3.9 2 15 10 22 2.6 -8.9 -23 7 78 Total 52 216 259.1 113.3 969.3 МEAN 7.4 30.9 a. Identify the regression line using the number of books read to predict ACT Reading score. Use a = .05 to evaluate the quality of the prediction of the regression line. b. What is the predicted ACT Reading score when 5 books are read?
John's answering machine receives about 28 telephone calls between 8:00 am and 8:00 pm. Let X = the number of phone calls received between 1:00 pm to 3:00 pm. What is the mean of X?
Quit smoking: A recent study reported that in a sample of 234 European-American HIV-positive smokers, 105 of them had used a nicotine patch to try to quit smoking, and in a sample of 81 Hispanic-American HIV-positive smokers, 25 had used a nicotine patch. Can you conclude that the proportion of patch users is greater among European-Americans? Let p₁ denote the proportion of European-Americans who used the patch. Use the a=0.01 level of significance. Part 1 of 4 (a) State the appropriate null and alternate hypotheses. Ho: P₁ (Choose one) ▼ P₂ H₁: P₁ (Choose one) P2 This is a (Choose one) test. Part 2 of 4 (b) Find the P-value. Round the answer to four decimal places. P-value= X S Ś
You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 110 men, and 25% own cats. You sample 150 women, and 85% own cats. Find p (p-bar), as a decimal, rounded to two decimal places.
How is the mean square computed from the sum of squares?
You want to determine if there is a difference in the number of times statistics students get asked out on dates compared to biology students. You randomly survey four statistics students and four biology students. Data are listed on the table. Statistics Biology students studentsX Y8 144 108 64 10Conduct an independent t-test to see if there is a significant difference. (Be sure to complete all 4 steps.)
Comment on the P-value for testing the claim p1- p2=0
The p-value is 0.0620, State the conclusion in terms of the claim and whether you would recommend shutting down the car factory with given p-value?
When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or the humor of the photo, there seems to be a 25.7% chance of the picture being "liked" for any given picture. Let X represent the number of pictures you post until one is "liked." (X represents the photo number that is actually liked.) Find: P(X>10)
ces An article reports that in a sample of 124 nurses, 53 said that a busy workload had a positive effect on their enjoyment of their job. Can you conclude that less than 45% of nurses feel that a busy workload has a positive effect on their enjoyment of their job? Find the P- value and state a conclusion. The P-value is We (Click to select) conclude that less than 45% of nurses feel that a busy workload has a positive effect on their enjoyment of their job.

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