What is the conclusion?A recent survey done by the Philippine Housing Authority found that 35% of thepopulation owns their homes. In a random sample of 240 heads, 78 responded thatthey owned their homes. At the 0.01 level of significance, does that indicate adifference from the national proportion?

The hypotheses are given below: Null hypothesis: H0:p=0.35 Alternative hypothesis: H1:p≠0.35 Since…

Answered: What is the conclusion? A recent survey…

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 national study report indicated that 20,5% of Americans were identified as having medical bill financial issues. What if a news organization randomly sampled 400 Americans from 10 cities and found that 95 reported having such difficulty. A test was done to investigate 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 -0.787 1.610 2.479 d 0.787
There are 15 mobile phones in a package box, 8 of which are iphones. If a person takes 5 phones from the box. What is the mean of the number of iphones in the sample? (Input answer in 4 decimal places)
Please solve in a descriptive statistic way
4
You are told that the proportion p-hat of those who answered "yes" to a poll about internet use is p-hat = 0.70, and the standard error of the proportion is 0.0458. What was the sample size?
The mean number of hours that Raphael worked over the past four weeks is 36.75. If he works 39 hours this week, what will the mean number of hours be that he will have worked over the five-week period? ..... What is the five-week mean? (Simplify your answer.)
). You are interested in investigating if there a difference in mean cholesterol between the four diet groups. What kind of sample and outcome is this?
A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was considered accurate within 4.7 percentage points 95% of the time. How large was the sample size? Round up to the nearest whole number.
www.census.gov/newsroom/press-releases/ For each sample size in the table, give the mean and SE of the sampling distribution of p. a. sample size, n standard error, SE mean 10 100 1000 b. What happens to the mean as the sample size increases? What happens to the SE as the sample size increases? c. Complete this summary sentence: If you take a random sample of 100 people from the L.A. metro area, the expected proportion who speak a language other than English at home is give or take
A credit score is used by credit agencies (such as mortgage companies and banks) to assess the creditworthiness of individuals. Values range from 300 to 850, with a credit score over 700 considered to be a quality credit risk. According to a survey, the mean credit score is 708.2. A credit analyst wondered whether high-income individuals (incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 31 high-income individuals and found the sample mean credit score to be 723.3 with a standard deviation of 80.9. Conduct the appropriate test to determine if high-income individuals have higher credit scores at the α = 0.05 level of significance. C State the null and alternative hypotheses. Ho: HY H₁: (Type integers or decimals. Do not round.) Identify the t-statistic. to = (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. the null hypothesis.…
If Ashley wants to test for GPA differences among first-, second-, third-, and fourth-year college students, which of these difference tests should she use? A. chi-square test of independence B. between-subjects, two-way ANOVA C. between-subjects, one-way ANOVA D. repeated-measures ANOVA
1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data). 2. Conduct a t-test, both when given statistics, and when given data. 3. Conduct a t-test, 2-sample t-test, and paired t-test. 4. Differentiate between the five types of tests we have learned so far.

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