A national study report indicated that 20,5% of Americans were identified as having medical bill financial issues. What if a newsorganization randomly sampled 400 Americans from 10 cities and found that 95 reported having such difficulty. A test was done toinvestigate whether the problem is MORE SEVERE among these cities. What is the value of the TEST STATISTIC (T.S.)?Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.a-0.7871.6102.479d0.787

Given: n= 400 ,x= 95.0 p= 0.205 p̂= 95 / 400

Answered: A national study report indicated that…

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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According to the Pew Research Center, 14% of adults rate basketball as their favorite sport. Your boss believes the proportion may be lower among adults over age 65, and wants you to collect evidence to see if this is true. You take a survey of adults over age 65, and only 12 out of 120 of them rate basketball as their favorite sport. What is the test statistic? Group of answer choices -1.79 -6.24 -1.26 -1.65 thanks
The mean purchase total is $93.80 and the median purchase total is $75.80. The store manager investigates and learns that the customer that made a $500 purchase had not purchased groceries, but rather a $500 gift card. Because this customer's purchase was not typical, the manager decides to exclude this total from the data set. How will removing the $500 purchase from the data set affect the value of the mean and the median?
Solve with steps Please.
An insurance company crashed four cars of the same model at 5 miles per hour. The costs of repair for each of the four crashes were $406, $414, $483, and $217 O . Compute the mean, median, and mode cost of repair. Compute the mean cost of repair. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mean cost of repair is $ (Round to the nearest cent as needed.) B. The mean does not exist. Compute the median cost of repair. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The median cost of repair is $ (Round to the nearest cent as needed.) B. The median does not exist. Compute the mode cost of repair. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode cost of repair is $ -(Round to the nearest cent as needed.) B. The mode does not exist.
An online shop owner believes that 85% of her customers will want to go into a real store. She surveyed 50 customers and 39 said they want to visit a store. Is the owners claim correct? Use a 0.01 level of significance.
Suppose that 9% of all athletes in a sport use a banned drug. A test is available that detects 94% of athletes who use the drug. But the test also gives a positive result for 8% of those who do not use the drug. What percent of athletes who test positive for the drug are actually using the drug? Answer: 77.28 %
doesn't the mean of a sample population equal the true proportion?
According to a polling organization, 22% of adults in a large region consider themselves to be liberal. A survey asked 200 respondents to disclose their political philosophy: Conservative, Liberal, Moderate. Treat the results of the survey as a random sample of adults in this region. Do the survey results suggest the proportion is higher than that reported by the polling organization? Use an a = 0.01 level of significance. E Click the icon to view the survey results. Because npo (1- Po) =| > 10; the sample size is less than 5% of the population size, and the sample is given to be random, the requirements for testing the hypothesis satisfied. are (Round to one decimal place as needed.)
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
Please answer quickly!
PLEASE ANSWER ALL THE PARTS OF THE QUESTION ( THIS IS NOT A GRADED ASSIGNMENT)
What is the mean of .27, .63, .45, .25, .31, 1.15, .64, 1.33, 1.14, 0.41, 0.47

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