A hypothesis test is conducted with H0:μ=46 and H1:μ≠46 A simple random sample of size n=68n=68 is drawn, with x¯=52, and s=15.   Determine the P-value. (Round to four decimals places.)

Q: Use the Suppose in a local Kindergarten through 12th grade (K -12) school district, 42% of the…

A: Hi, Thanks for posting the question. As per our guide lines, if there are more than three sub parts,…

Q: A worker stands at the end of a production line for mint chocolate chip ice cream and uses warm…

A: Solution: Given information: n= 12 Sample size  x = 3.917 Sample mean s2= 0.042  Sample variance μ=…

Q: Conduct a test at the α=0.05 level of significance by determining ​(a) the null and alternative​…

A:

Q: Conduct a test at the α=0.01 level of significance by determining  ​(a) the test​ statistic, and​…

A:

Q: Below is the raw data for an experiment. Conduct the appropriate ANOVA hypothesis test with a=0.01,…

A: The question is about ANOVAGiven :To find :Conduct ANOVA hypothesis test and fill the table.

Q: A psychologist would like to examine the effects of sugar consumption on the activity level of…

A:

Q: For a simple random sample, n = 2000 and p = 0.31. At the 0.05 level, test H0: π ≥ 0.33 versus H1: π…

A:

Q: Please show a step-by-step solution. Do not skip steps. Please explain how you got the answer you…

A: The 90% Confidence Interval for the ratio of two population variances is given as, (0.1675, 2.4865)…

Q: For a population with μ = 60 , z-score =0.97, and σ = 10. Find random variable / data value X .…

A: for a population with μ=60 and σ=10                                      z-score, z=0.97Find X=?

Q: For the data set (−3,-3),(0,0),(5,6),(7,6),(11,11), carry out the hypothesis test H0 β1 = 0…

A: Solution Given data (−3,-3),(0,0),(5,6),(7,6),(11,11) Then hypothesis is H0  β1 = 0 H1  β1 ≠ 0

Q: onduct a test at the α=0.01level of significance by determining ​(a) the null and alternative​…

A: given data sample 1 : n1 = 244x1  = 126sample 2 : n2  = 306x2 = 139α = 0.01claim : p1 > p2

Q: A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to…

A:

Q: You want to buy a microwave oven and will choose Model A if its repair costs are lower than Model…

A: μ1 = mean repair cost of model A μ2 = mean repair cost of model B   Null Hypothesis : H0 : μ1 ≥ μ2…

Q: Executives of a supermarket chain are interested in the amount of time that customers spend in the…

A: The objective is to define the type-I and type-II error, that arises when the validity of the claim,…

Q: A study was done on body temperatures of men and women. The results are shown in the table. Assume…

A: (Since it has been not mentioned which question so, as per our protocol we shall only answer the…

Q: q11-  Consider a population of size N=92N=92.  How many different simple random samples of size…

A: Here in sample space has total 92 members and we have to select 5 members. if there are n member and…

Q: a sample is selected from a normal population with µ=40 and σ=12. if the sample mean of M=36…

A: A sample is selected from a normal population. Mean , µ=40 Standard deviation, σ=12.  Sample mean ,…

Q: In a 4-week study about the effectiveness of Do you Feel Better? using magnetic insoles to treat…

A: The total n1=55 subjects wore magnetic insoles out of which only x1=15 subjects feel better. And…

Q: Conduct a test at the α=0.05 level of significance by determining ​(a) the null and alternative​…

A: Denote p1, p2 as the true population proportions of first and second populations, respectively. The…

Q: A researcher collects two independent random samples of sizes n₁ = 25 and n₂ = 30, and computes the…

A: Given,n1=25and n2=30

Q: In a survey of 175 females who recently completed high school, 76% were enrolled in college. In a…

A: Given that: Significance level  = 0.07 The test is two tailed.

Q: Paul conducts an independent samples t-test and reports the following results: t = 2.72 and p<.05.…

A:

Q: A researcher is interested in the amount of sleep an individual receives after consuming a sleeping…

A: Hypothesis to be tested: H0:μ1=μ2=μ3H1:Not all means are equal

Q: A sample of n -4 scores is selected from a population with u- 50 and o - 12. If the sample mean is…

A: From the provided information, Mean (µ) = 50 Standard deviation (σ) = 2 Sample mean (M) = 56 Sample…

Q: Find the test statistic and degrees of freedom for an appropriate hypothesis test using the data set…

A: The difference is, Meter A (mg/dl) Meter B (mg/dl) Difference 86.1 85.6 -0.5 87.3 88 0.7…

Q: A newspaper reported on the results of an opinion poll in which adults were asked what one thing…

A: According to the given information in this question We need to find 95% confidence interval

Q: In a survey of 180 females who recently completed high school, 80% were enrolled in college. In a…

A: Solution:a.Let p1 be the proportion of college enrolees in group of females and p2 be the proportion…

Q: For a simple random sample, n = 200 and p = 0.34. At the 0.01 level , test Ho: π = 0.40 versus H1: π…

A:

Q: In a test of Ho: p = 0.7against Ha: p ≠ 0.7, a sample of size 80 produces z = 0.8 for the value of…

A: P-value :  In statistics, the p-value is the probability of obtaining results at least as extreme as…

Q: In a 4-week study about the effectiveness of Do you Feel Better? Magnetic Insoles using magnetic…

A: n1 = 51, x1 = 18, p1 = 0.353 n2 = 48, x2 = 16, p2 =0.381

Q: A local restaurant claims that the waiting time for its patrons to be served is the lowest in the…

A:

Q: In each of Exercises, suppose that you want to perform a hypothesis test for a population mean.…

A: For testing population mean:If sample size is small and the population is normally distributed then…

Q: 2. Two samples are randomly selected from two groups of students who have been taught using…

A: Given Information: Group A: Sample mean x¯1=84 Sample variance s12=64 Sample size n1=36 Group B:…

Q: A group conducted a randomized experiment to see if hormone therapy was helpful for post-menopausal…

A: Group 1(Experiment group) n1=8581x1=117 Group 2(Placebo group) n2=8244x2=91

Q: A physician wants to test two blood glucose meters to see if there is any differences in…

A: Given data and calculation for test statistic is shown below

Q: In a simple random sample of 1000 people interviewed for an election campaign, the number of…

A: From the given information, Sample size =1000 Consider, p be the proportion of all votes who favor…

Q: In each of Exercises, suppose that you want to perform a hypothesis test for a population mean.…

A: For testing population mean:If sample size is small and the population is normally distributed then…

Q: Researchers conducted a study to determine whether magnets are effective in treating back pain. The…

A: TreatmentShamn11110.540.38s0.871.25Do not assume that the population standard deviations are equal.

Q: Solve. Given independent random variables with means and standard deviations as shown, find the mean…

A:

Q: surveyed.The ages of the children are 2,6,7.Assume that sample of size n=2 are randomly selected…

A: Population 2,6,7 Nine samples   We have to find the population variance σ2

Q: |μ Researchers conducted a study to determine whether magnets are effective in treating back pain.…

A: There are two independent samples which are Treatment and Sham We have to test whether those treated…

Q: d. Find the probability that more than 68 favor a charter school using the normal approximation and…

A:

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.