In a test of H0:μ = 100 against H1:μ>100, a sample of size 80 producers z= 0.8 for the value of the test statistic. The P-value of the test is equal to?

Q: Thirty-five different video games showing alcohol use were observed. The duration times of alocohol…

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Q: After conducting a one-sample Z-test, you arrived at a value of -12.5 for the z value. What is your…

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Q: At 5% level of significance, using the information: X,= 47; S1= 4; n1=11; X2= 39; S2= 3; n2= 11,…

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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…

Q: The mean and standard deviation of the marks obtained by students in a statistics examination is…

A: Mark's in statistics exam = X  Mean of X = 35.8 Standard deviation of X = 23.2

Q: Carry your intermediate computations to at least three decimal place Round your answers to at least…

A: x1 = 2385.6 x2 = 2414.4 s1 = 224 s2 =287.5 n1 = 285 n2 = 250

Q: How many tissues should a tissue pack contain? Researchers have determined that a person wears an…

A: Researchers have determined that a person wears an average of 54 tissues during a cold. Sample size…

Q: A between-subjects study has one sample with n = 27 and a second sample with n = 31 to compare two…

A: We have to find df of t statistics  for study ..

Q: To build a 98% CI for the mean of a population, you take a random sample of 30 values and find s =…

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Q: Interpret the following statement regarding the statistical findings of a research study.  “61% (n =…

A: Introduction: The outcome of a study involving low-carbohydrate and low-fat diets is given.

Q: A population has a mean of µ = 20. A sample is selected from this population and a treatment is…

A: Given, μ=20s2=64 X=28 n=16 α=0.05

Q: What was the test statistic calculated (observed)? 3.24 1.71 -3.24 2.06 7.46

A: Steps and Explanations1. State the Null and Alternative Hypotheses:o Null Hypothesis (H0H_0H0): The…

Q: Fourteen different video games showing drug use were observed. The duration times of drug use ​(in…

A: Given, n=14 df denotes Degree of Freedom.

Q: A research study with N = 20 has a M = 4.86, μM = 4.54, and a s = 1.90. What is the t statistic

A: The test statistic is,

Q: In a test of h0 u=100 against ha :u>100 the sample data yielded the test statistic z=2.17 find and…

A: Given that  Null and alternative hypothesis is.  H0 : μ =100 Ha : μ >100 Test statistic z =2.17

Q: The results of a study that used an independent samples t-test was t(28) = 2.14, p = .01. Based on…

A: t(28) means that degree of freedom  = 28 Now, degree of freedom for a t-test one sample case  = n-1.

Q: A market researcher wanted to evaluate the difference in credit charges for customers of Bracy’s.…

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Q: You sampled 13 people and got their pre-diet weight and post-diet weight. If α=.05α=.05, the test…

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Q: A sample of n= 64 scores is selected from a population with u = 60 and o= 10. If the sample mean is…

A: From the provided information, Mean (µ) = 60 Standard deviation (σ) = 10

Q: A published report of a repeated-measures research study includes the following description of the…

A: The provided information is:

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A: P value calculates the possible chances of rejection of null hypothesis. * If p value is less than…

Q: In a random sample of​ males, it was found that 25 write with their left hands and 222 do not. In a…

A: Hypothesis is an assumption that is being tested.

Q: In a test of H0: p = .43 versus Ha: p ≠ .43, a sample of size 1500 leads to a p-value of 0.087.…

A: Here from the given hypothesis test and the p value we need to arrive at the correct conclusion from…

Q: A researcher obtains M = 45 with SS = 250 for a sample of n = 10 women and M = 49 with SS = 270 for…

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Q: The average price for turnips in Animal Crossing: New Horizons is 95 bells. Samantha believes that…

A: Given that mu = 95 , x bar = 110 , s.d = 36, n = 20 , alpha =0.05 Carry out the hypothesis test…

Q: A sports statistician is interested in determining if there is a relationship between the number of…

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

Q: t(23) = 3.20, p = .01.

A: Given, t(23)=3.20 p=0.01

Q: You are conducting a study to see if the proportion of men over 50 who regularly have their prostate…

A: Answer: From the given data, Claim of the test is to see if the proportion of men over 50 who…

Q: The percentage of Excellent ratings given by connoisseur at a food festival over a long period of…

A: The following information is provided: The sample size is n = 300 sample proportion is P ̅ = x/n…

Q: A nutrition store in the mall is selling "Memory Booster," which is a concoction of herbs and…

A: Solution: Given information: n= 16 Sample size M= 24  Sample mean μ= 20  Population meanSS= 960 sum…

Q: 52% of students entering four-year colleges receive a degree within six years. Is this percent…

A: p=0.52p⏞=129231 The test statistics is z=p⏞-pp(1-p)n=129231-0.520.52(1-0.52)231=1.169458≈1.169 The…

Q: The results of a one sample t test are reported as follows: T(15) = 1.70, p>.01. Based on these…

A: The given results are T15=1.70,p>0.01.

Q: The parameters of my population distribution are: µ = 50 and σ = 15. The parameters of my sample…

A: To calculate: Calculate my sample's Z score on the comparison distribution.

Q: d. The p-value e. The p-value is ? f. Based on this, we should [Select an answer (Please show your…

A: Value of test statistic, Z = 1.56 Level of significance = 0.01 Decision Rule: Reject Ho when p-value…

Q: proportion of bats with a wingspan greater than 10 inches living outside the region is different…

A: n = 80 Sample proportion = 20/80 = 0.25

Q: . Do the sample data support the conclusion that the Memory Booster has a significant "booster"…

A: Answer:-  Our hypothesis is, H0 : u=20   vs   H1 : u>20 Given that, n=16 xis 26 Variance=64…

Q: Consider a test of H0:p=0.4 versus Ha:p>0.4�0:�=0.4 versus ��:�>0.4, the sample data yielded…

A: The objective of this question is to determine whether we should reject or fail to reject the null…

Q: A random sample of 15 families representing three different Scandinavian countries has been observed…

A: Given:   Sweden Norway Denmark 10 11 7 9 10 5 4 5 2 2 2 0

Q: Find the p-value of a test-statistics for the difference between two means, paired samples, given a…

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Q: he results of a one sample t test are reported as follows: T(24) = 1.70, p>.05. Based on these…

A: The formula for the degrees of freedom for one sample t test is,

Q: A sample of n=25 scores is obtained from a population with u=70 and o=25. If the sample mean is…

A: Z-score: The z-score value is a numerical measurement that describes a value of the relationship to…

Q: A medical researcher is interested in determining if there is a relationship between adults over 50…

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Q: Two sample T for Men vs Women SE Mean A physical therapist wanted to know whether the mean step…

A: To compare the means of two independent population, two sample t-test is conducted. When the…

Q: An independent-measures study comparing two treatment conditions with n = 6 in each sample produces…

A: Given that the sample sizes of the independent measures of two treatment conditions is equal to n =…