You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats. You sample 80 men, and 55% own cats. You sample 140 women, and 15% own cats. Find the test statistic, rounded to two decimal places.

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

A: From the given information, the sample of 60 men, 30% own cats. The sample of 140 women, 25% own…

Q: You are testing the null hypothesis that the population proportion equals .45, using data you…

A: Z score is method to know that how many standard deviations away your data is from the mean.The…

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

A: We have to find test statistics.

Q: what statistical test would you use to answer:

A: We need to determine suitable statistical test.

Q: Suppose your child takes a standardized math test and scores in the 98 th percentile. What does this…

A: Given the child takes a standardized math test and scores in the 98th percentile. Now to determine…

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

A: State the hypotheses.

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

A: Given data, n1=170 p1=0.90   n2=50 p2=0.10   Pooled proportion(p)=?

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

A:

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

A: Given, n1=120                                         n2=100 p1=35%=0.35…

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

A:

Q: 26) If the 85 percentile of a t-distrbution is 1.250, what is its degree of freedom? A. 3 В. 4 C.5…

A: 26) The percentile is 85th and t-distribution value is 1.250. From the t distribution table, locate…

Q: You wanted to see if there are differences in the sleeping patterns between males and females when…

A: An observational study is a method in which you simply observe the responder without providing them…

Q: Q2) choose correct answer: 1- statistics about marriages, divorces and death is called vital bio…

A: Identify True or False

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

A: Let p^1 represents the sample proportion of men who own cats and  p^2 represents the sample…

Q: 7. Selene got a score of 78. which is equivalent to 60th percentile rank in a mathematics test.…

A: Answer-7.   Selene got a score of 78.                    Which is equivalent to 60th Percentile rank…

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

A:

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

A: Introduction: It is of interest to test whether the population proportions of men who own cats, and…

Q: Q2) choose correct answer: 1- statistics about marriages, divorces and death is called vital bio…

A: We have given that the statement about to the vital biostatistics which contain the data about…

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

A: Denote p1 is true proportion of male who won cat and p2 is the true proportions female who won cat…

Q: how do you find z score from a P value in statistics?

A: We habe to find z score from p value.

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

A:

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

A: It is given that, n1 = 200. Thus, p1 = 0.55. Also, n2 =140 . Thus, p2 = 0.90. It is assumed that the…

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

A: Given data:  claim The proportion of men who own cats is smaller than the proportion of women who…

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

A: Denote p1, p2 as the true population proportions of men and women who own cats, respectively.

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A: Given z= -2.806  where z is standard normal variable. Formulae used: P value= P(Z<z)

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

A: The sample proportions are The pooled proportion or weighted estimate of p is

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

A:

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A: P value calculates the possible chances of rejection of null hypothesis. * If p value is less than…

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

A:

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

A:

Q: In a random sample of 1,755 high school males, it was reported that 1,542 believed that physical…

A:

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

A: Formula : Test statistic  :

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

A: We will use the large sample test for difference of proportions. Z=p1-p2P.Q.(1n1+1n2)where P…

Q: In a random sample of 1,884 high school males, it was reported that 1,547 believed that physical…

A:

Q: :The median is equivalent to The middle quartile (Q2) O The fifth decile (D5) O The 50th percentile…

A: A measure of central tendency describes a set of data by identifying the central position in the…

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

A:

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

A:

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

A: We have given that  Sample sizes n1=60    n2=160 Sample proportion p1^=0.85 , p2^=0.30

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

A: Here p1 represents the population proportion of men who own cats and p2 represents the population…

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

A: See tha answer

Q: 1 d) 50 percentile is the same as the mean. True False

A: 50th percentile is the same as the mean Select true or false ?

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A:

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

A: Given data,For MenSample size n1=160sample proportion p1=30%=0.30For WomenSample size n2=140sample…

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

A:

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

A: Given that among 180 men 85% own cats. So 85% of 180=153Among 100 women 45% own cats. So, 45% of…

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

A: Given that  Sample men (n1) = 100 Men own cats (p1)  = 35% = 0.35 Sample women (n2)  = 120 Women own…

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

A: For the given data Perform z test for two proportions

Q: Most people believe that smoking is unhealthy. The table given is the result of a study of randomly…

A: Required probability is P(individuals that died from heart disease were smokers)

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

A: Let, p1=proportion of men=0.9p2=proportion of women=0.4n1= sample size of men = 80n2= sample size of…

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.