Test the claim that the proportion of people who own cats is larger than 30% at the 0.05 significance level. The null and alternative hypothesis would be: Based on a sample of 200 people, 32% owned cats The test statistic is:                        (to 2 decimals) The p-value is:                                (to 2 decimals)

Q: Professor Jennings claims that only 35% of the students at Flora College work while attending…

A: Given: Sample size,n= 76 Number of students who have jobs,x= 35  Level of significance=0.05

Q: testing in this problem? mean proportion What is the level of significance? e the null and alternate…

A: Given:p_0=35%=0.35 As the population proportion is given, thus we are testing the single…

Q: The P-value for a one-sided test for a mean is 0.06. The P-value for the corresponding two-sided…

A:

Q: You are interested in finding out the relationship between age (a dichotomous categorical variable)…

A: Given that we are interested in finding out the relationship between age (a dichotomous categorical…

Q: Professor Jennings claims that only 35% of the students at Flora College work while attending…

A: The hypothesis tests, contain two hypothesis: null hypothesis and alternate hypothesis. The…

Q: What is the p-value of a one-sided greater than One-Sample Z-Test for Mean where the z-statistic…

A: Denote p as the true population proportion.

Q: The 3rd quartile of the ages of 300 students of Math class is 22 years. Which of the following…

A:

Q: ecause the course seems too intimidating. The university administra nforms professors that the drop…

A: Let X be the number of persons possessing the given attribute in a sample of size 'n'. Let p denote…

Q: What is the p-value of a one-sided less than One-Sample Z-Test for Mean where the z-statistic equals…

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Q: For the data presented below, use SPSS to conduct a Pearson r test to determine if a significant…

A: Introduction:Assume that the data are at least approximately normal.The null and alternate…

Q: For the given data set: x |80|172 y 2 15 11 5 19 6 13 2

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Q: A social scientist is comparing sample data regarding the number of cars owned per household in a…

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Q: In studying the responses to questions on a multiple-choice test, the following sample data are…

A: Given that

Q: ​Claim: Fewer than 90​% of adults have a cell phone. In a reputable poll of 1104 ​adults, 85​% said…

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Q: student decides to spin a dime and determine the proportion of times it lands on heads. The student…

A: We have given that  Sample size n = 25 Favorable cases x =17 Population proportion p =0.5

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Q: The value of the first quartile for a data set is 20. This means that: O 75% of the values in the…

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Q: e null and altermative hypothesis would be: • Ho:p 0.7 H:p 0.7 O Ho:p2 0.7 H:p 0.7

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

A:

Q: A university conducted a study of online adults that included 411 tablet owners. The study found…

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Q: Suppose we are testing the hypothesis that occurrence of five types of viruses (A, B, C, D and E) is…

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Q: 4. Claim: Fewer than 90% of adults have a cell phone. In a reputable poll of 1059 adults, 84% said…

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Q: Close Confidants and Social Networking SitesA previous exercise introduced a study in which 2006…

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Q: . What statistical test should he use to analyze the data?

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A: Given claim that 40% of homes have guns in them. Null Hypothesis: H0:p=0.40 Alternative Hypothesis:…

Q: A research study wanted to examine whether religious belief and gender are related in their state.…

A: It is needed to test whether religious belief and gender are related in their state.

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Q: Q3. Paired sample t test can be used in an analysis involving pre-test and post-test data or in…

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Q: In a test of the quality of two television commercials, each commercial was shown in a separate test…

A: a)

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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.