The Question : What is the p-value?

Q: Test the claim about the population mean, p,

A: Given : n=61 , X-bar=28.3  , σ=3.74 , μ0=30 , α=0.04 Here we want to test the claim that μ=30

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

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Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Actuary 30 40 50 60 70 80 90…

A:

Q: Which of the following statements is not true? Answer: is not true. Banco de palabras: The…

A: From the given information we Want to know the not true statement.

Q: A survey item administered at the end of a training program asked participants their opinion about…

A: The number of rows, r = 2 and the number of columns, c = 3.

Q: hat does the z-score represent?

A: What does the z-score represent?

Q: Here is a bivariate data set in which you believe y to be the response variable. y 61.3 38 56.3 38.3…

A: Scatter plot: Excel Procedure: Enter x and y in Excel>Data>Data Analysis>…

Q: What kind of t-test could be used to test whether the type of instruction had any effect on…

A: The t test is used when the population variance is unknown and sample size is small. The one sample…

Q: a. Find a sufficient statistic for 0. b. Is your statistic in (a) also complete? Show/justify.

A:

Q: A study wanted to test whether the twins have the same level of intelligence. A sample of 9 twins…

A: Given: Sample size for Twin-1 n1 = 9 Sample size for Twin-2 n2 = 9 Twin-1 130 95 100 125 120 130…

Q: The research office is interested in the possible relationship anxiety and aptitudes cores of…

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Q: The accompanying table summarizes successes and failures when subjects used different methods when…

A: The p-value is 0.009.

Q: Test the hypothesis  There is no significant difference between the level of riskiness of…

A: Given : Data represents the perceived level of riskiness of risk behavior among the male and female…

Q: Not understanding how they’re getting the p value

A: Given: n=193p=number of independent variables=4R2=0.11F=5.81P-value<0.01

Q: Is mean always the best one to use for central tendency? Explain.

A: Mean is the most widely used central tendency measure, and is usually considered the strongest…

Q: Do people feel hungrier after sampling a healthy snack?  Researchers randomly assign volunteers into…

A: Using SPSS: Type data in to SPSS: To run a One-Way ANOVA in SPSS, click Analyze > Compare Means…

Q: a) What is the mean of Y? b) What are the degrees of freedom for the test? c) What is r?

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

Q: The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher 20 25…

A: Given information: The data of the salaries (in thousands of $) of the Construction workers and…

Q: In the formula for t, the "statistic" is the null hypothesis. the mean of all numbers. the…

A:

Q: Are avid readers more likely to wear glasses than those who read less frequently? Three hundred men…

A: Given:   yes No Above average 47 26 average 48 78 below average 31 70   126 174

Q: 1) In a four-year psychedelic-mushroom experiment, 93 of the 300 subjects reported experiencing…

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Q: 3. The data show the amounts (in thousands of dollars) of the contracts for soft drink in randomly…

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Q: Hypothesis tests are often done by comparing the calculated P-value with a quantity α. What does α…

A: GivenHypothesis tests are often done by comparing the calculated P-value with a quantity α

Q: Question is what is the P value?

A: As per your question, what is the P-value? Given: p=0.5x=39n=39+32=71Right tailed test

Q: using the data below, what are the conclusions of the test?

A: Based on the analysed results above, we see that the data consists of,  Contrasts - 1, 2 and 3 ,…

Q: Are student-athletes at Division I universities poorer students than non-athletes? The National…

A: Hi, we are supposed to answer three subparts at a time. Since you have not mentioned which subpart…

Q: 1. The median score is equivalent to O A. 1st quartile O B. 5th percentile O C. 5th decile D. 75th…

A: Median:-Median is the middle most score of the given data set which issorted in ascending order

Q: Putra College surveyed its students to determine the average weekly time spent surfing the internet.…

A: Given: n=174x=6.1

Q: How are the smoking habits of students related to their parents’ smoking habits? Here are the data…

A: H0 : There is no association between parent smoking and student smoking H1 : There is an association…

Q: What does the P-value represent

A: The P-value is the probability of getting test results as extreme as possible as observed results,…

Q: Describe the formula used to calculate a z-score?

A: The formula used to calculate z-score is

Q: A table summarizes the success and failures when subjects used different methods (yoga, acupuncture,…

A: H0 : success is independent of the method used H1 : success is dependent on the method used

Q: Find the value of the test statistic z using graphing calculator. The claim is that the proportion…

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Q: What's the Z score and how is it calculated?

A: We know z-score is used in many fields. But we should know what is the meaning of z-score and how to…

Q: Consider a recent study that found that watching movies while doing math homework raises a student's…

A: This is a loaded question.

Q: Using the p-value given, are the results significant at a 1% level? p-value =0.34     Yes   No

A: Determine the decision rule.

Q: L. How much lower on average did women score on the fear questionnaire after the COurse [Hint rl

A: The information about fear scores is Df = 24 Mean = 2.520 SD = 4.417

Q: The prediction error for an observation, which is the difference between the actual value and the…

A: here use basic of regression

Q: Never Married People The percentage of males 18 years and older who have never married is 30.4. For…

A: Let p1: Proportion of men Let p2: Proportion of women Population proportion of men=P1=0.304…

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Аctuary 30 40 50 60 70 80 90…

A: Solution Here  the minimum value of Acturies is at the first quartile of CPA

Q: TEXTING WHILE DRIVING USA Today reported results from an Arity survey in which 2018 drivers were…

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Q: Adults aged 18 years old and older were randomly selected for a survey on obesity. Adults are…

A: From the provided information,

Q: Are student-athletes at Division I universities poorer students than non-athletes? The National…

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

Q: Left tail test with Zcalc = -2.26. What is the p-value of the test?

A: The test statistic value is zcalc=-2.26, and the test is left tail.

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Actuary 20 30 40 50 60 70 80…

A: From the provided information, if a person is making the third quartile salary for a CPA, then his…

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Actuary 30 40 50 60 70 80 90…

A: Given data

Q: The response rate of a survey is the proportion of all people who were selected but did not complete…

A: The given statement is  The response rate of a survey is the proportion of all people who were…

Q: The CEO of a large electric utility claims that at least 80 percent of his one million customers are…

A:

Q: Do people feel hungrier after sampling a healthy snack? Researchers randomly assign volunteers into…

A: For the given data Perform one-way ANOVA hypothesis test.

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.