Exercise to Reduce Stress A survey by Men's Health magazine stated that 14% of men said they used exercise to reduce stress. A random sample of 100 men was selected, and 10 said that they used exercise to relieve stress. Use the   P-value method to test the claim at α=0.05 a)Compute the test value. Always round z score values to two decimal places. z= b) Find the P-value. Round it to four decimal places. P-value

Q: doctors (i.e.90%) recommend its brand of cough syrup to their parents. To test this claim against…

A: Sample size n =200 Favorable cases x =168 Sample proportion p^=x/n  =168/200 =0.84

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A: Given : Claim : Prop. of adults who smoked a cigarette in the past week is < 0.25  po<0.25…

Q: The test statistic of z equals 1.86 is obtained when testing the claim that pnot equals 0.778.…

A: GIVEN DATA  Z = 1.86 claim : p ≠ 0.778 here two tailed test.  we have to find p value.

Q: 6.- The day after Thanksgiving-called Black Friday–is one of the largest shopping days in the United…

A: A confidence interval (CI) is a type of estimate computed from the observed data. It gives a range…

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Q: The value of D, the sample mean of the differences is: -5.43 -4.75 -5.2 -38

A: Before After D 45 56 -11 38 42 -4 60 62 -2 35 39 -4 70 75 -5 48 50 -2 39 42 -3 49 56…

Q: Media periodically discuss the issue of heights of winning presidential candidates and heights of…

A: As  per our guidelines , we are allowed to answer first three sub-parts only. Thanks   Given Data :…

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A: Given data: Placebo Medicine 7 5 8 8 6 3 9 6 11 10 10 4 6 7 9 4

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A: Given data : x1= 31.0 n1= 38 x2= 83.0 n2= 97 significance level, 0.01

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

A: claim : p > 0.5 n = 452 p^ = 0.64 value of test statistic = ?

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A: If two mean of the independent sample with size n1 and n2 from a normal population with mean and…

Q: Use the data below to test the claim that the weight loss was greater with the low fat diet compared…

A: x¯1=4.7, s1=7, n1=77x¯2=3.5, s2=6.9, n2=52 Claim : the weight loss was greater with the low fat diet…

Q: The test statistic of z = 0.96 is obtained when testing the claim that p > 0.4. b. Find the…

A: b. The test statistic of z = 0.96 is obtained when testing the claim that p > 0.4. That is, the…

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A: Given Significance level =0.05

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A: Class room hours(x)11.57.911.37.86.811.912.79.1

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A: The dietician is working with a random sample of 50 patients who are dieting.

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A: Introduction: Denote μ1, μ2 as the true mean lower back pain levels before and after wearing the…

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than…

A: Claim: the proportion of adults who smoked a cigarette in the past week is less than…

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A: Solution To test the hypothesis we will use Excel According to the guideline we solve only three…

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A: We have to perform test for proportion.

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A: AnswerGiven,[O]           Foot ball      Basket ball       Soccer        Baseball       TotalHome…

Q: Use the data below to test the claim that the weight loss was greater with the low fat diet compared…

A: From the provided information,

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A: Following table shows the calculation for difference, its mean and standard deviation:

Q: 143 individuals who had two warts. She applied cream A on one wart and cream B on the second wart.…

A: The effectiveness of a new cream in the two treatments of warts is measured. Sample size (n) = 143…

Q: 9. In a random sample of 600 persons who were given a swine flu vaccine, 168 said that they…

A:

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: p0 = 0.33 n = 108  x = 45  p̂ = x/n = 45/108 = 0.4167Significance level (α) = 0.01

Q: A claim is made that the proportion of children who play sports is 0.563, and the sample statistics…

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Q: How often do you go out dancing? This question was asked by a professional survey group on behalf of…

A: The test significance between the proportion of two samples are tested using the proportion test for…

Q: Use the data below to test the claim that the weight loss was greater with the low fat diet compared…

A: Dear student as per guidelines we solve only first three subparts only  Solution Sample size are…

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Q: In the population of senior students at Shermer High School, the proportion who plan to attend…

A: From the provided information, Population proportion (p) = 0.64 Sample size (n) = 100 Sample…

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A: In this case, healthy people aged 18 to 40 years take either gingko extract or a placebo pill.

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A:

Q: 1. While reading a published research report, the following is reported: "When we examined the…

A: Hypothesis testing for population mean.

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A: Here, value of z score is 2.0 which is greater than 0.