A random sample of enrollments from medical schools that specialize in research and primary care are list below in the photo. Test the claim that there is a difference in enrollment between research and primary care, with a significant level=0.10 1.) State the null and alternative hypotheses 2.) Determine test statistic and p-value. 3.) Reject ho or not? 4.) Make a sentence from result.

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A: +ve sign = 308-ve sign = 421ties = 30Total = 308+421+30        = 759significance level  0.05

Q: 1) N= {16, 21, 17, 25, 22, 18, 21, 16, 13, 21}. Please use the data set N and calculate a) The three…

A:

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: sample size of the first sample with people over the age of 55: n1=310sample size of the second…

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A:

Q: Past studies have indicated that the percentage of smokers was estimated to be about 35%. Given the…

A:

Q: Researchers were interested in assessing whether stress levels are different at the beginning of the…

A: The t test are used to compare the mean significance between the sample and population. It can…

Q: In a survey, 41% of the respondents stated that they talk to their pets on the telephone. A…

A: It is given that, p0 is 0.41, the sample size n is 210.

Q: 15) A researcher wants to know if mood is affected by music. She conducts a test on a sample of 4…

A: Befor(B) After(A) d(A-B)   4 5 1   5.2 6 0.8   3.2 4 0.8   4.5 6.2 1.7       1.075 Mean…

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: Candidate T wants to determine if there is a difference in his popularity between men and women. To…

A: This is two sample proportion test. and also two tailed test.

Q: The average IQ for Americans is 100. Does the IQ score from the dataset significantly differ from…

A: a) Let μ denote the population mean IQ for Americans. The claim of the test is the IQ score from the…

Q: In a survey of 100 college students at Chabot College, 67 said that they commuted by cars. In…

A: a) The test hypotheses are: Null hypothesis: H0: p1 = p2 Alternative hypothesis: Ha: p1 ≠ p2 Test…

Q: A psychology student is interested in determining how different instructions affect the time to…

A: Given: Number of error made in different instructions: Verbal (X1) Written (X2) Video (X3) 2 6…

Q: Choose the best answer for the statistical conclusion.

A: Given information: The data represents the turnaround time for 4 types of contractors and 3 types of…

Q: The College of Graduate Studies at MNSU claims that more than 60% of undergraduate students at this…

A:

Q: A study of all 2093 employees of a company shows that 54% are satisfied with the company's health…

A: Definition  Statistic: Statistic may be defined as which one is based on the sample  Parameter:…

Q: State the hypotheses necessary to test whether the two populations differ from each other. b)…

A: Given: Let population 1 for people assigned to Excercise and population 2 for people assigned to No…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 35%. Given the…

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

Q: d. The degrees of freedom = e. The test-statistic for this data show your answer to three decimal…

A: The total number of observations is 790. The probability of favoring vanilla ice cream is 0.242.The…

Q: The labelling on a particular brand of chocolate chip cookie states that an average 1-ounce…

A: Claim :  average calorie content is greater than 110.

Q: Prev An insurance company wants to know if the color of an automobile has a relationship with the…

A: To calculate the expected number of red cars with more than 3 moving violations in a year, the…

Q: ative signs, and 29 ties when the value of the second variable is subtracted from the corresponding…

A: Given: There are 317 positive results from the matched pairs of data from a survey of internet users…

Q: 1.) Why do we have to use a "t-test" instead of a "z-test" for a claim about two mean? 2.) In your…

A: 1.) Both the 't-test' and the 'z-test' are symmetrical and are used for testing the means of a…

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A: The objective is to test the null hypothesis of no difference by using sign test at 0.05 level of…

Q: 5. Two random samples, one from 95 employees of Division A and a second of 50 employees from…

A: Given the data Division Favor Oppose Uncertain Total A 44 39 12 95 B 21 26 3 50 Total 65 65…

Q: Which of the following scenario is an example of a pretest–posttest design? Group of answer choices…

A: Pretest posttest design: It is an experiment where measurements are taken before and after a…

Q: claim will be conducted. Identify the type I or type II error for the test. 27) A medical researcher…

A: The type I error is defined as rejecting the null hypothesis when it is true.

Q: a. For this study, we should use Select an answer b. The null and alternative hypotheses would be:…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Question 7 Q.7.1 Explain the difference between a Type I error and a Type Il error. Q.7.2 Explain…

A: A Type I error in statistics is a false positive result, whereas a Type II error is a false negative…

Q: 3. Attitudes The Survey of Stud students' attitudes toward school and study habits. Scores range…

A: Given data is appropriate for testing of hypothesis. to test z-test for single mean (n>30) so, it…

Q: shopkeeper wonders if number of their female and male customers are equal or not. They count the…

A:

Q: program. The resulting attitude scores are displayed in the accompanying table. The higher the…

A: Given information: The data represents the values of nine random employees who were given a…

Q: The average student loan debt is reported to be $25,235. A student belives that the student loan…

A:

Q: 26) Solve the problem. 26) Use a 0.01 significance level to test the claim that the proportion of…

A: The given claim is that the proportion of men who planed to vote in the next election is the same as…

Q: A marketing agency wanted to determine if a new commercial changed people's opinion about a company.…

A: Statistical hypothesis means the decision about a population parameter. Here we look at the data we…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 30%. Given the…

A: The population proportion of smokers is denoted by p. The claim is “The percentage of smokers has…

Q: 7. Is there a relationship between gender and the type of car driven? A random sample of 1000 adults…

A: As we want to test if any relationship exists (i.e if the groups are dependent or independent)…

Q: 3. Discuss the basic procedure in making inferences on two samples and give a situation where you…

A:

Q: lease show all work. Pvalue?

A: Hypothesis testing  Hypothesis testing is conducted for the parameters of the population like…

Q: n gall up poll of 1125 adults, it was found that 47% fly never or rarely. Use a 5% significance…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The labelling on a particular brand of chocolate chip cookie states that an average 1-ou cookie…

A: Given data: X 100 125 150 160 145 125 100 150 135 105 140 160 135 120…