You are conducting a test of the claim that the row variable and the column variable are dependent in the following contingency tableeeeeeeeeeeeeeeeee Thank you for your help X Y Z A 49 20 42 B 53 23 48 Give all answers rounded to 3 places after the decimal point, if necessary. (a) Enter the expected frequencies below: X Y Z A B (b) What is the chi-square test-statistic for this data? Test Statistic: χ2=χ2= (c) What is the critical value for this test of independence when using a significance level of αα = 0.005? Critical Value: χ2=χ2=

Q: You wish to test the following claim (H.) at a significance level of a = 0.002. For the context of…

A: The random variable score follows normal distribution. There are two dependent samples which are…

Q: am trying to look at a set of  paired data means and determine assumptions and conditions to test…

A: The provided histograms are:

Q: (20 pts) Random samples of 1000 bolts manufactured by a type A machine and 900 bolts manufactured by…

A: Given : x1= 28.0 n1= 1000 x2= 16.0 n2= 900 significance level, 0.05

Q: Data for (3) A random sample of 100 statisticians were asked, "To what extent do you feel the…

A: Solution To draw the distribution pie chart is appropriate because the sample size is large and the…

Q: I used the correct excel table and got all the answers on point and still struggle to find the one…

A: Given that The anovo table Formula for F F=MSTreatment/MSError

Q: Nonparametric: A small study is conducted to compare birth weight in babies born to mothers who do…

A: Non smoker = sample (1) = n1 = 6 Heavy smoker = sample (2) = n2 = 8 First we put both samples…

Q: Highschool or Lower Some College College Graduate  Planned 50 50 60 Unplanned 60 50 30 The bivariate…

A:

Q: You may need to use the appropriate technology to answer this question. Consider the data. 4.63 X;…

A: The question is about regression.Given :No. of pairs of xi and yi ( n ) = 5To find :a ) Mean square…

Q: Researchers look at the role of music on anxiety.  They believe the type of music will make a…

A: Solution:  Given information: n1=14 Sample size of classical music groupn2=14  sample size of Tecno…

Q: Tests for adverse reactions to a new drug yielded the results given in the table. At the 0.05…

A: The test statistic is obtained as below: χ2=∑O-E2EWhere O=Observed countE=Expected count The…

Q: what is the statistical test used, what is Ha and Ho, the df, the t critical, and t observed?

A: Given The data is as follows: Population mean, μ=8.90 Sample size, n=6 α=0.05 14, 12, 13, 12, 14, 15

Q: Please help it's not graded

A: The between groups mean square is 21.7341 and the within groups mean square is 6.5073.The between…

Q: following results are for independent random samples taken from two populations. Sample 1 Sample 2 n…

A: Given See the handwritten solution

Q: Nicotine Absent Nicotine PresentSelf-Reported Non Smoker 82…

A: First let's put the given data in a contingency table as shown ;

Q: Two classes take a test. At the .05 level the researcher wants to know if the first class has a…

A: In testing of hypothesis, there are two hypotheses - null and alterative. These two hypotheses…

Q: In a random consumer survey, randomly selected drivers of Porsche, Mercedes, and BMW were asked to…

A: Given: Porsche Mercedes BMW 10 8 0 8 6 4 6 10 2

Q: Therefore, the research hypothesis is that people drive red cars at different speeds than people…

A: The two samples are red car condition and white car condition.Here two samples are given with size .…

Q: Suppose that three drugs used to reduce systolic blood pressure are compared in a randomized…

A: Solution

Q: Five hundred randomly selected automobile owners were questioned on the main reason they had…

A:

Q: Which statistical test should this question use? Q. Testing the relationship between the level of…

A: Pearson r Spearman

Q: What is true of both the ANOVA and the t-test?   The dependent variable must be continuous They…

A: ANOVA and t-tests are two of the most commonly used statistical tests in the social sciences,…

Q: In a random consumer survey, randomly selected drivers of Porsche, Mercedes, and BMW were asked to…

A:

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: Suppose you want to determine if a text-anxiety workshop has an effect on exam performance. Students…

A:

Q: The following table contains the number of successes and failures for three categories of a variable…

A: The given data is as follows: Category 1Category 2Category 3Failures493343Successes763848

Q: The following table shows the results of a two-factor analysis of variance with 2 levels of factor…

A: Given that factor A has 2 levels. Degrees of freedom=number of levels-1=2-1=1 SS for factor A is 8…

Q: c. What is the third quartile Q?

A: c. Boxplot is the simple way to plot the observations of the distribution, with five-number summary…

Q: You are conducting a test of homogeneity for the claim that two different populations have the same…

A:

Q: problem, the first data set represents a pre-test and the second data set represents a post-test.…

A:

Q: Cerebral blood flow (CBF) in the brains of stroke patients is normally distributed random variable.…

A: Given that  The cerebral blood flow in the brain of stroke patients is a normal random variable.…

Q: (a) Let 4, be the population mean of x, and let 42 be the population mean of x2. Find a 95%…

A: For x1, sample size is 34, sample mean = 67.00 and population SD = 11.97 For x2, sample size = 35,…

Q: For the following scenario, choose the appropriate statistical test. SCENARIO: In a study about…

A: It is given that the We want to do a study about highway fuel consumption amounts and for that…

Q: You are playing a dice game with a friend and become suspicious that he is using weighted dice. So…

A: It is needed to test whether the proportion of times the dice lands on the six numbers are unequal.