You are conducting a test of independence for the claim that there is an association between the row variable and the column variable. XYZ A 20 23 32 B 20 30 28 What is the chi-square test-statistic for this data? x² = Report all answers accurate to three decimal places.

Q: population of values has a normal distribution with μ=191.3 and σ=79.3.You intend to draw a random…

A: given data A population of values has a normal distribution μ=191.3σ=79.3n=239here we have to find…

Q: Find the Mean and Mode of the following data that the mass of certain worms Mass [1.2-1.5) [1.6-1.9)…

A: By using given data; Mass Frequency (f) Mid value (x) f⋅x Cumulative function(cf) 1.2-1.5 4…

Q: Create a frequency distribution & histogram on the GPAs of the students. Use ranges of 2.50-2.75,…

A: Frequency analysis used to count the data. Frequency are calculated as grouped and ungrouped data.…

Q: 2. The municipality of Charlesburg records an average daily water consumption of 998 L per household…

A: Each variable affect by another variable is known as dependent variable. The relationship between…

Q: Two samples are taken with the following sample means, sizes, and standard deviations ¯x1 = 29 ¯x2 =…

A: The sample size for first sample is 65, sample mean is 29 and sample standard deviation is 5. The…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.…

A: The question is about hypo. testing for a popl. mean Given : Null and alt. hypo : H0 : μ = 85.7Ha :…

Q: Example 5: Find a 90% confidence interval for the mean difference in the mileage obtained for tires…

A: Given: 50 45 50 50 100 100 100 -10 75 -25 0 25 75 25 50 40 35

Q: How confident can we be that this new phone lasts longer than the Nokia 3310?

A: GivenClaim, new Nokia phone has average hours on standby is more than 31 hours. The sample size n=80…

Q: Independent continuous random variables with the following: if 0≤x otherwise fx(x) = = {** 0 2y fr…

A: Consider X and Y to be two continuous independent random variables with pdf fXx and fYy,…

Q: a. Find the correlation coefficient: r = b. The null and alternative hypotheses for correlation are:…

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

Q: QUESTION 33 "A set of X and Y scores has MX = 17.87, MY = 662.95, SSX = 6495.27, and SP = 5956.42.…

A:

Q: The mayor is interested in finding a 90% confidence interval for the mean number of pounds of trash…

A: Givenconfidence level=90%sample size(n)=234Mean(x)=34.5standard deviation(s)=7.7

Q: You want to obtain a sample to estimate a population mean.you believe the population standard…

A:

Q: 2. A box contains ten marbles: two red, five green, and three blue. a. Consider an experiment that…

A: Solution: a) Total no. of marbles= 10 red=2 green=5 blue=3

Q: In a survey, 18 people were asked how much they spent on their child's last birthday gift. The…

A: Given: Sample size, n is 18 Sample mean, x¯=39 Sample standard deviation, s=18 Confidence level is…

Q: A newsgroup is interested in constructing a 99% confidence interval for the proportion of all…

A:

Q: leading magazine (like Barron's) reported at one time that the average number of weeks an individual…

A: Given data  μ=24.6  σ=4.3   n = 71

Q: 100 6.26 The Daily Show: A 2010 Pew Research foundation poll indicates that among 1,099 college…

A: Since you have posted a question with multiple sub parts, according to our guidelines we can solve…

Q: QUESTION 51 "An repeated measures ANOVA is used to evaluate the differences among 6 treatment…

A: Repeated measures ANOVA is the equivalent of the one-way ANOVA, but for related, not independent…

Q: The accompanying frequency distribution summarizes sample data consisting of ages of randomly…

A:

Q: 1. Using a data set with 4 predictor variable data set, an analyst decided to use regression as…

A: Given: There are 4 predictor variables. The regression line is Y^=b0+b1X1+b2X2+b3X3+b4X4+b5X5

Q: The following are the stopping times (in seconds) of 4r/s vehicles after breaking at 65mph:3,4,5,8.…

A: Given: Stopping time 3 4 5 8

Q: A/ For the r.v. X is given f(x) = ()*; x = 1,2,3,... a- Find the moment generating function. a- Find…

A:

Q: You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the…

A: category observed frequency(oi) expected proportion expected frequency(Ei) (oi-Ei)2/Ei A 49…

Q: Robin works as a server in a small restaurant, where she can earn a tip from each customer she…

A: a) The distribution of Robin’s tip amounts is skewed to the right. There is a gap between the…

Q: You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are…

A: From the given information, the total number of observed frequencies is 74. Here, all 5 categories…

Q: You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of…

A: Given data  n = 30 x¯ =76  S = 6.4 99% ci  E = 0.55 n = ?

Q: Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC…

A: given data  claim : μ=68.85 n = 90;df= n-1 = 89 x¯ = 67.05s = 15.6 95% ci for μ.

Q: "Based on their results, a researcher makes the interpretration that variable A is not associated…

A: Given that  The interpretation that the variable A is not associated with variable B to any…

Q: Employers want to know which days of the week employees are absent in a five-day work week. M…

A: The given data is Day Observed Frequency Monday 8 Tuesday 20 Wednesday 18 Thursday 25…

Q: P(Z<1.89) (less than or equal to)

A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: Draw a frequency polygon for the following: 2.5 7.5 3 5 Mid-Value of Class Interval: Frequency: 12.5…

A:

Q: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 65% of planted…

A: Given that

Q: The following three independent random samples are obtained from three normally distributed…

A: Given data: Group1: Internship Group2: Co-op Group3: Work study 11.5 9.25 17.5 10.75 14.5…

Q: You are conducting a multinomial hypothesis test (a = 0.05) for the claim that all 5 categories are…

A:

Q: A company interested in getting customer feedback on a certain product provides a link to a…

A: Introduction: It is required to identify the bias.

Q: 1. Consider the table that shows the driving experience in years (x) and the rating of driver (y) a)…

A: (a) The table look like this: x y xy x2 y2 0 1.2 0 0 1.44 1 2.1 2.1 1 4.41 2 3.6 7.2 4…

Q: Tables, Charts and Diagrams   The coffee preferences of 100 people were recorded in a survey.…

A: The pie chart is given Total 100 peoples were recorded in a survey.

Q: A leading magazine (like Barron's) reported at one time that the average number of weeks an…

A:

Q: Two samples are taken with the following numbers of successes and sample sizes r1 = 20; r2 = 38 n1 =…

A: given data n1=64n2=51r1 = 20r2 = 38confidence interval = 0.97α =…

Q: Boris must choose a shirt and a pair of pants for today's outfit. He has  3  shirts and  3  pairs…

A:

Q: Question 11 At a drug rehab center 37% experience depression and 30% experience weight gain. 13%…

A: given data  event A : experience depression event B : experience weight gain  P(A) = 0.37 P(B) =…

Q: A grade 9 class was asked how many first cousins you have. Their answer is shown below. 1 3 2 1 2 a)…

A: Given that  The data are  1,3,2,1,2,2,1,1,2,4,1,2,1,4,3,1,1,2,2,1,2,1,2,4,3,2,2,1,3,4,1,2

Q: (a) Construct a graphical display that represents the association between gender and job experience…

A: In the given scenario, a contingency table was given that contains the categories of job experience…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Introduction: Denote p as the true population proportion, and p̂ as the sample proportion or…

Q: 2. Find the median and mode of the following data: Trees 1 2 3 4 5 6 Frequency 2 5 6 4 1 8

A: Median and Mode: The mid element in a classified array of numbers is termed the median. By arranging…

Q: 0 8 QUESTION 21 "An independent-measures experiment with four treatment conditions has a sample of n…

A:

Q: A 1 total_cases_per_million 2 3 Mean 4 Standard Error 5 Median 6 Mode 7 Standard Deviation B C…

A: Given the two variables: Total cases per million and total deaths

Q: QUESTION 13 "In a repeated-measures ANOVA, the variability within treatments is divided into two…

A: Anova is the measure of parametric test. It follows the assumption of normality, independency and…

Q: worms Frequency 1 4 2 3 3 2 4 5 6 7 2 3 32 2

A: Given data is Worms Frequency 1 4 2 3 3 2 4 4 5 2 6 3 7 2