A cognitive psychologist studying motivation wants to determine if type of music has any effect on the number of days (in 1 month) participants visit a gym. A total of four gyms are selected that have differe musical formats. 12 gym members are randomly sampled from each gym, and their gym attendance is monitored for 30 days. Complete the following ANOVA summary table, and use a significance level of α = = 0.05. Source Between Within TOTAL SS df MS 7.47 F 1.151 With the given significance level, what is the decision regarding the hypotheses? O reject the null hypothesis O fail to reject the null hypothesis What would you conclude about these treatments? O There is a significant difference between treatments O These data do not provide evidence of a difference between the treatments P

Q: You wish to test the following claim (Ha) at a significance level of a Ho: P₁ = P₂ Ha: P₁ P2 You…

A: Given Alpha=0.005 n1=126 n2=173 x1=290 x2=486

Q: X is a continuous variable that takes on values between 5 and 100. Z is a binary variable. Sketch…

A: X is a continuous variable that takes on values between 5 and 100. Z is a binary variable. To sketch…

Q: ege, Pennsylvania, ranks first with 71.1% of its population made up of coll na random sample of 130…

A: Given. 71.1% of cities and towns population made up of a college student. We are asked to find the…

Q: QUESTION 1 Find the z-score that marks the 5th percentile (denoted P5). That is, find the z-score…

A: given data  standard normal distribution  Z~N(0,1)  5th percentile = ?

Q: hts and Lengths Birth Weight (in Pounds), x 1212 77 1212 77 33 99 55 77 44 1212 Length (in Inches),…

A: Birth Weight (in Pounds), x 12 77 12 77 33 99 55 77 44 12 Length (in Inches), y 22 18 20 16 17 19…

Q: The daily sales of Hi-White toothpaste are believed to be approximately normally distributed. For a…

A: Critical value has obtained using formula.

Q: A pediatrician wants to determine the relation that exists between a child's height, x, and head…

A: From the part a, The regression equation is, Y^=0.194X+12.5

Q: Trials in an experiment with a polygraph include 98 results that include 23 cases of wrong results…

A: From the provided information, Sample size (n) = 98 From which 75 cases of correct results. Sample…

Q: One of the biggest factors in determining the value of a home is the square footage. The…

A: The question is about correlation and regression Given :   To find : a ) Identifying explanatory…

Q: 18. In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask…

A:

Q: Suppose that James is an economist who collects a simple random sample of the total taxable earnings…

A: Given that Population mean =28.29 Standard deviation =33.493 Sample size =50  We have to find a...…

Q: Fill in the P (X=x) values to give a legitimate probability distribution for the discrete random…

A: Given Fill in the P (X=x) values to give a legitimate probability distribution for the discrete…

Q: (g) Is it reasonable to interpret the y-intercept? Why? Select the correct choice below and, if…

A: Given is the data on housing. We need to predict the selling price of house based on its area…

Q: QUESTION 4 Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 9…

A: The question is about normal distribution Given : Mean weight of potatoes ( μ ) = 9 ounces Std.…

Q: A multiple-choice test consists of 7 questions. Each question has answer choices of a, b, c, and d,…

A: Given P=1/4=0.25 n=7

Q: A dataset from 1987 contains information about credit card applications and approvals for 690…

A: It is given that there are four variables.

Q: An ordinary (fair) coin is tossed 3 times. Outcomes are thus triples of "heads" (h) and "tails" (t)…

A: There is total of 8 outcomes. Here, the values of X are -3, -2 and 1. Among 8 outcomes, the…

Q: 2. Table below gives the following probabilities for a randomly chosen light motor vehicle sold at…

A: From the provided information, Vehicle Domestic Imported Total Light truck 0.44 0.08 0.52 Car…

Q: William Gosset published “The Probable Error of the Mean,” in a 1908 issue of Biometrika, under the…

A: Given the data for two different types of seeds: Regular: 19.25, 22.75, 23, 23, 22.5, 19.75, 24.5,…

Q: One of the biggest factors in determining the value of a home is the square footage. The…

A: From given data we have :

Q: If a random sample of 20 proofreaders is selected, find the probability that the mean age of the…

A: From the provided information, Mean (µ) = 36.2 Standard deviation (σ) = 3.7 X~N (36.2, 3.7) Sample…

Q: The table below gives the number of hours spent unsupervised each day as well as the overall grade…

A: Relationship between the independent and dependent variable explain using the regression equation.…

Q: 18. In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask…

A:

Q: Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the…

A: It is known that Number of Total cards = 52 Number of clubs = 13 Numbers of spades = 13

Q: test a hypothesis

A: Steps to test the hypothesis :    1) Frame your hypothesis (both null hypothesis and alternative…

Q: A class survey in a large class for first‑year college students asked, "About how many hours do you…

A: Given: Sample size n = 456 students The sample mean X = 17 hours. Population standard deviation σ =…

Q: Score: of 11 > Macmillan Learning 59.390 When there are few data, we often fall back on personal…

A:

Q: er the following questions. A 6.4 6.6 B 4.3 5.4 6.7 5.8 6.8 6.1 7.1 6.7 Click the icon to view the…

A: Given Data in excel sheet

Q: A waitress believes the distribution of her tips has a model that is slightly skewed to the right,…

A: given data  right skewed distribution  μ= 10.80σ = 5.40n = 50

Q: The United States Golf Association (USGA) tests all new brands of golf balls to assure that they…

A: Given 90 % confidence interval

Q: At a large publishing company, the mean age of proofreaders is 36.2 years and the standard deviation…

A:

Q: The rates of return on 7 natural resources mutual funds are given below: 15.04 16.95 18.07 14.83…

A: Let X be the natural resources mutual funds. n=7 a) Mean:…

Q: e following table shows a partially completed ANOVA hypothesis test using a completely randomized…

A: Given, One-Way ANOVA Table :

Q: A sock drawer contains 18 green socks and 12 gold socks. Using/drawing a tree diagram, if you…

A: Given: 18 green socks 12 gold socks total shocks=18+12=30

Q: Heart rates are determined before and 30 minutes after a Kettleball workout. It can be assumed that…

A: Suppose μd is the population average differences of heart rates before the workout and after the…

Q: A box contains 13 green marbles and 15 white marbles. If the first marble chosen was a green marble,…

A: From the provided information, A box contain 13 green marbles and 15 white marbles. Total marbles =…

Q: A taxi company operates in two different regions, and it is analyzing the prices of rides in those…

A: Given information, Region A mean is $25.28. Region A standard deviation is $7.95. Region B  mean is…

Q: In recent survey of 1092 students, 966 of them would like to recommend www.helpyourmath.com to their…

A: Given;n = 1092x = 966confidence level 95%

Q: For a normal distribution, assume the 'sample' standard deviation is 5. What is the maximal margin…

A:

Q: Consider the data. xi 2 6 9 13 20 yi 6 19 7 24 23 The estimated regression equation for these data…

A: (A)   Obtain the percentage of the total sum of squares can be accounted for by the estimated…

Q: A scientist is testing 120 samples of Copper dug out from a mine randomly to access purity. In the…

A: Given n=120 P=0.65

Q: What is the t value with a 90% confidence interval for the true population mean if the sample size n…

A: Confidence level = 90% Sample size (n) = 21

Q: Group 1 (Ultima) 25 20 30 22 32 45 15 16 29 25 Group 2 (Placebo) 60 45 54 68 70 46 55 57 48 49…

A: According to the given information in this question We need to answer a and b

Q: Ann, who turns eighty years old this year, has just learned about blood pressure problems in the…

A: a) Suppose a random variable X defines the systolic blood pressure measurements of a woman over…

Q: If X is a Normal R.V with mean zero and variance o Find the p.d.f of Y=e*.

A:

Q: Births are approximately Uniformly distributed between the 52 weeks of the year. They can be said to…

A: As per our guidelines we are suppose to answer only three subparts kindlyrepost the remaining…

Q: THE 8-STEP HYPOTHESIS TEST

A: Given, The effect of age at the onset of bipolar disorder on the course of the illness. One of the…

Q: QUESTION 6 A Hi-Tech company has introduced a new flash disk. Some dealers and customers have…

A: GIVEN DATA, p(defective)=0.0738 n=?ME=0.043CI=0.97α=1-0.97=0.03

Q: 8) Run and show linear regressions (in Excel) for a) Body fat as the dependent variable and skinfold…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A random number generator picks a number from 6 to 65 in a uniform manner. Round answers to 4…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…