It is claimed that mostly students rent a house in that area so they on the average stay at the same house for at most 5 years. Test this claim at 0.05 significance level. (Q4:Occupation - Q8:For how many years are you staying at his house?)

Q: A random sample of 105 students of University A showed that 12 were in favour of a new grading…

A: Given: Sample size (n1)=105Sample size (n2)=108x1=12x2=18α=0.01

Q: Suppose you want to test the mean of quiz scores Ho : H 2 72 versus H, : H < 72. Which of the…

A: Given H0:μ≥72 versus H1:μ&lt;72 sample size is n=25

Q: When interpreting F(2, 27) = 8.80, p < .05, what is the total sample size examined?  Enter your…

A: Given  F(2, 27) = 8.80 total sample size =?

Q: If H, is false, the true or actual mean is equal the hypothesized mean, µ = µo %3D O True O False

A: From the above data the correct answer is  False

Q: A running coach wants to know if participating in weekly running clubs significantly improves the…

A: Option a) is correct.

Q: Which of the following statement is correct and why?  a. The median id the mean trimmed 0% and the…

A: The trimmed mean is the average of the data after removing certain percentage of highest and lowest…

Q: 9. Standardize this variable (i.e, convert all scores into z-scores): 5, 0, 4, 5, 1, 2, 3, and 4.

A:

Q: 4. Last week Sarah had exams in Math and in Spanish. On the Math exam, the mean was p = 40 with o =…

A:

Q: 5) A researcher is testing the claim that the mean weight of a population of women is less than 120…

A: here as PER GUIDELINES I HAVE CALCULATED FIRST QUESTION , PLZ REPOST FOR REMAINING  here given ,…

Q: tessor Ramos has a packing plant and a machine packs cartons with jars. A salesperson claims that…

A: Let, X: The time taken by a machine to pack cartoons. Given: Level of significance = α = 0.05 For…

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the 0.01…

A: Given: Sample size (n) = 500 The hypotheses are as follow: H0: p = 0.70 H1: p &lt; 0.70 Sample…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: Suppose a basketball team had a season of games with the following characteristics: • 60% of all the…

A: Given data,P(H)=0.60P(W)=0.25P(W and H)=0.20P(W|H)=?

Q: A researcher claims that not more than 65% officers in the public offices come on time in their…

A: The null and alternative hypothesis is: Ho:p≤0.65 Ha:p&gt;0.65 This corresponds to a right-tailed…

Q: At the Hungry Heifer restaurant, the regular price for the Tribute to Swine buffet is $ Seniors…

A:

Q: Q2. You collected 500 weeks of data (2500 days total). Based on that you find Tuesday's mean return…

A: There are total 500 weeks. Therefore, total 500 Tuesdays are calculated.The mean return of Tuesdays…

Q: The researcher is interested in whether individuals will think a composite of 4 faces looks more…

A: The p-value is less than 0.001. The test statistic is -4.691.

Q: Q. 11. Calculate missing frequencies from the following when mean is 1.5 and F 80. No. of events : 1…

A:

Q: 6. Twenty years ago, 46% of parents of children in high school felt it was a serious problem that…

A: Z test for one proportion

Q: What is the​ p-value?

A: Here sample size is too large so use z test for proportion

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the 0.01…

A: Hypothesis  Ho: p=0.70 vs H1: p&lt; 0.70 Given  Alpha= 0.01, pcap= 0.64, n=500

Q: number with "1" as the leading digit is about 0.303. Now suppose you are the auditor for a very…

A: The random variable computer file follows binomial distribution. The population proportion is 0.303.…

Q: Several students were tested for reaction times (in thousandths of a second) using their right and…

A: In question, We'll discuss the hypotheses for test.

Q: 6. Twenty years ago, 46% of parents of children in high school felt it was a serious problem that…

A: As per our guidelines we are suppose to do only one question6)

Q: An administrator at a rural college claims that the proportion, p, if students who commute father…

A:

Q: Test the claim that the proportion of people who own cats is smaller than 70% at the 0.10…

A: The value of z-test statistic is,

Q: According to a 2015 article, 37% of Americans aged 25 years or older have been arrested. An Orange…

A: Given that sample size n = 120 Number of persons who have been arrested, X = 48 Level of…

Q: . what percentage of females will be forced to look for new pa

A:

Q: Q3 (d): Is the empirical relation among Mean, Median and Mode can * ?be applied for this data

A: It is given that the data follows asymmetrical skewed distribution.

Q: Which of the following formulas is correct for converting raw scores to z scores? Z = X+M/SD Z =…

A: Standard score is used to determine the number of observations deviated from the mean. It is…

Q: Six hundred adult Americans were asked by telephone poll, "What do a middle-class income?" The…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Q2: The following data represent the weight loss in pounds of individuals on a five-week weight…

A: Note : As per the company guidelines, only three subparts can be answered at a time. Kindly,…

Q: Q2) A researcher wants to know if the mean times (in minutes) that people watch their favourite news…

A: Given the data as TV Channel 1 TV Channel 2 TV Channel 3 45 15 72 12 43 37 18 68 56 38 50…

Q: On a test you are presented with a z score of 1.702. How did you do in relation to the rest of the…

A: According to Empirical rule :  68% data lie within 1 standard deviations  95% data lie within 2…

Q: 2. It is believed that the mean number of dogs owned by dog-owning households s= .29. Carry out an…

A:

Q: The number of points held by a sample of the NHL's highest scorers for both the Eastem Conference…

A: Eastern Conference (X) Western Conference (Y) (x-xbar)^2 (y-ybar)^2 83 77 211.5702 281.4938 60…

Q: Sixteen out of 35 high school seniors ran the mile in less than 6.25 minutes. At a=0.01, is there…

A: Solution: Give Total =60 X+ =35 remaing. X-=25 The test statistic is X = \min\{X^+, X^-\} =…

Q: In a study by the United Dairy Industry Association, 42% of 655 persons age 35–44 said they seldom…

A:

Q: In a fishing lodge brochure, the lodge advertises that 75% of its guests catch northern pike over 20…

A: a) Denote p as the true proportion of guests who catch pike over 20 pounds.

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.