A researcher conducted a chi-square test of independence and obtained a chi-square value of - 2.83. Which of the following statements correctly describes this result? An error was made in the calculation the chi-square test cannot be negative. The chi-square test is significant. The chi-square test is not significant. None of the above.

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1176 adults, 85% said that…

A: p=95%, n=1176, p^=85%

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A: Ans- Given , the mean height of a certain kind of plant is  148 centimetres. Suppose we want to…

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A: Given: n = 160 p = 0.09 X ~Bin(160, 0.09)

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A: Given:  X - 1 , 5 , 10 , 20 f - 10 , 20 , 40 , 30

Q: A Click the icon to view the discussion of sample s The sample should include (Type whole numbers.)…

A: Given: Margin of Error, E = 0.04 Sample proportion p^1=p^2=0.01 (as no prior estimate has been used)…

Q: Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69.1 bpm. For a random…

A: We have to find claim and hypothesis for given data....

Q: Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random…

A: Given information,The mean pulse rate of adult males is equal to 69bpm. For a random sample of 139…

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1190 adults, 84% said that…

A: It is of interest to test the claim that fewer than 93% of adults have a cell phone.

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Given: n=582 and p=58%=0.58. From the given information,H0:p=0.5H1:p>0.5

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1093 adults, 86% said that…

A: p=95% , n=1093, p^=86%

Q: If you get a p-value of 1.2 what does that mean? O There is bias in the sample. O The sample mean is…

A: P-value = 1.2

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1101 adults, 81% said that…

A: We can use the null hypothesis that the true proportion of adults who have a cell phone is equal to…

Q: Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 68.9 bpm. For a random…

A:

Q: Claim. Fewer than 92% of adults have a cell phone. In a reputable poll of 1111 adults, 86% said that…

A: given data  claim : P<0.92 n = 1111 p^  = 0.86test statistic = ?

Q: Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random…

A: given data n = 142x¯ =70.4s = 10.6claim : μ =69

Q: Claim: Fewer than 92% of adults have a cell phone. In a reputable poll of 1246 adults, 86% said that…

A: Suppose p is the true population proportion of adults who have a cell phone.

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A: Sample size is n = 38 Claim is that the population mean is greater than 94 second.

Q: The mean height of a certain kind of plant is 149 centimeters. Suppose we want to carry out a…

A:

Q: A researcher reports the results of a t-test using APA format as t(126)= 2.875, p <.05, d = 1.33…

A: The criteria of rejecting or accepting the null hypothesis depend upon the level of significance. If…

Q: Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69.1 bpm. For a random…

A: From the provided information, Population mean (µ) = 69.1 bpm Sample size (n) = 134 Sample mean (x̅)…

Q: You are performing a chi-square test involving 7 categories. Your Null hypothesis is "All…

A: Suppose we are performing a chi-square test involving 7 categories. And our null hypothesis is “All…

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A: Confidence interval: Since the population standard deviation is unknown, t distribution can be used…

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1227 adults, 89% said that…

A: Answer - Claim: Fewer than 96% of adults have a cell phone. i.e  p = 0.96               In a…

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1189 adults, 86% said that…

A:

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 37 beats…

A:

Q: Claim: The mean pulse rate (in beats per minute) of adult males i equal to 68.9 bpm. For a random…

A: The random variable x is defined as the number of correct answers which follows binomial…

Q: ne statement below, write the claim as a mathematical statement. State the null and alternat…

A: we  have to find the claim , statement for null hypothesis and alternate hypothesis

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Solution-: Given: n=697,  p^=0.55, We take P0=0.5 We want to find the value of the test statistic

Q: Your Chi-square analysis has shown that the Chi-square computed value is 0.32 and the Chi-square…

A: We have given that,  Chi- square analysis has shown that the chi- square computed value is 0.32 and…

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1132 adults, 86% said that…

A: Solution-: Given: n=295,P0=96%=0.96, p^=86%=0.86 We want to find test statistic=?

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A: According to the given information in this question We need to find the p value  When  t = -0.85015…

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Q: The mean pulse rate (in beats per minute) of adult males is equa rd deviation is 10.9 bpm. Complete…

A: The claim is that the mean pulse rate is equal to 69.1

Q: K Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69.1 bpm. For a random…

A: According to the given information in this question We need to identify the hypothesis

Q: The value of the test statistic is Round to two decimal places as needed.)

A: Let P be the population proportion of adults have cell phone P=96% = 0.96  Sample of size n= 1186…

Q: Which of the following statement is true according to the Figure given below? 2.5% 2.5%

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Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1173 adults, 88% said that…

A: Answer: From the given data, Claim: Fewer than 94% of adults have a cell phone Population proportion…

Q: What is the equation used when computing the degree of freedom for a t-test about the mean? On On-1…

A: We have given that,  What is the equation used when computing the degree of freedom for t-test…

Q: Claim: fewer than 98% of adults have a ce phone. In a reputable poll of 1117 adults, 93% said they…

A: The population proportion is 0.98, sample proportion is 0.93, and sample size is 1,117.

Q: 415 80 Assume that adults have IQ scores that are normally distributed with a mean of 104.3 and a…

A: Obtain the IQ score separating the bottom 25% from the top 75%. The score separating the bottom 25%…