A manager wants to see if geographical region (Cape Town, Durban and Gauteng) is related with ownership of a tablet (“Have a tablet” and “No tablet”). If the Chi-square test statistics = 0.412, what conclusion is most appropriate?  A. Since Chi-square test statistics > Chi-square critical value, do not reject H0  B. Since Chi-square test statistics < Chi-square critical value, do not reject H0  C. Since Chi-square test statistics > Chi-square critical value, Reject H0  D. Since Chi-square test statistics < Chi-square critical value, Reject H

Q: To the Internal Revenue Service (IRS), the reasonableness of total itemized deductions depends on…

A: Given Information : To the Internal Revenue Service (IRS), the reasonableness of total itemized…

Q: For Bonferroni, how would you report your results? A Bonferroni post hoc test (p < .05) revealed…

A: It can be observed from Bonferroni outcome that the p-value for the difference between group-2 and 1…

Q: Center for Health Statistics (NCHS), statisticians Traci Clemons and Marcello Pagano found that the…

A: Note: Please repost part d as I can author only 3 sub-parts as per my policy Given data,Mean…

Q: A medical researcher conjectures that smoking can result in the wrinkled skin around the eyes. The…

A: Given: The data is provided for the Smokers and Nonsmokers. Let x represents the Smokers. Let y…

Q: A researcher evaluates a new cholesterol medication by measuring cholesterol levels for a group of…

A: The first researcher is concerned about the validity of the measurement because of the variable…

Q: Suppose Ho: Yogurt containers average 8 ounces and Ha: Yogurt containers average <8 ounces. You made…

A: Correct answer is Yogurt Company is falsely accused of under filling their containers.

Q: If the 95% Cl for the variable "Party Identification" includes zero, this variable is statistically…

A: We have given the statement about the party identification

Q: To the Internal Revenue Service (IRS), the reasonableness of total itemized deductions depends on…

A: The data values are given as follows. AGI RAID 22 9.6 27 9.6 32 10.1 48 11.1 65 13.5…

Q: A medical researcher conjectures that smoking can result in the wrinkled skin around the eyes. The…

A: Given, Let X be the smoker and Y be the non-smoker Smoker Non-smoker 10 4 8 2 7 5 9 1 5…

Q: Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of…

A: The given linear regression equation is, Here, slope = 0.96 Intercept = 4.86

Q: The mean score on a standardized math skills test is known to be 50 for the entire U.S. population…

A: Research is the method that used to obtain information abou the population. Or to known something…

Q: A has multiple criteria for admitting students into one of its academic udent achievement scores…

A: We see that the dependent variable is chance of success for each student, which lies in the interval…

Q: .The average length of a flight by regional airlines in the United States has been reported s464…

A: We have given that  Sample size n = 30 Sample mean =479.6 Standard deviation =42.8

Q: Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of…

A: ​Since the P-value=​0.000 is less than the significance level of 0.05, there is significant relation…

Q: Your claim results in the following alternative hypothesis: Ha : μ ≠≠ 173 which you test at a…

A:

Q: Ms. Fernandez believes that the mean income of teachers is now more than Php 45,000 per month. Which…

A: We have to find null and alternative hypothesis..

Q: Suppose a study reported that the average person watched 5.51 hours of television per day, A random…

A:

Q: At the 0.05 level of significance, is there enough evidence to reject Ho and support the claim of…

A: Test is that whether a new Javelin model will help increase the throw length.

Q: If the data is weight, the z-score for someone who is overweight would be what?? if the data is…

A: Also known as standard score, z-scores are a way to compare two scores that may or may not be from…

Q: The department of education ran a very comprehensive study in the 1990's to determine the GPA of…

A: Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three…

Q: The technology committee has stated that the average time spent by students per lab visit has…

A: An outlier is a point that is not similar to other points. In the histogram, it is easy to identify…

Q: Suppose that the data are sampled from a normally distributed population. Using the empirical rule,…

A: Empirical rule: For a normal distribution, the approximate values that fall in the specified…

Q: Suppose a professional basketball player historically makes 39% of his three-point field goals.…

A: In this case, a test is required to see whether three-point goal shooting has improved. Here, the…

Q: If the p-value of the chi-square test is __________ than the α (alpha) threshold, we could conclude…

A: If p value of test statistic is smaller than level of significance, then null hypothesis would…

Q: tµ, be the mean diastolic blood pressure for women and let u, be the mean diastolic blood pressure…

A: The claim is that women and men have the same mean diastolic blood pressure.

Q: Steel Tires company claims that their tires have a mean tread life of at least 45000 miles. _…

A: Denote μ as the population mean tread life of all tires.

Q: The Centers of Disease Control and Prevention has launched studies of drug-resistant gonorrhea. Of…

A:

Q: A sample of n = 100 people is classified into four categories. If the results are evaluated with a…

A: We know that Degree of freedom =No. of class -No. of condition. Since there will be only one…

Q: When performing a Mann-Whitney Utest, one should always use the higher value of the calculated U…

A: In order to make a decision for a Mann-Whitney U test, always use the lower value of the calculated…

Q: Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of…

A: The regression equation formula is given below Y (hat) = a + b (x) From the given information, the…

Q: When determining whether grounding accidents and hull failures result in different spillage (is…

A: Given: Are grounding accidents and hull failures result in different spillage.

Q: Which of the föllowing scenarios will correctly estimate the population proportion of students at…

A: There are ways to estimate a population proportion, however, it depends on the certain assumptions.

Q: The claim is that the proportion of peas with yellow pods is equal to 0.25 or 25% the sample…

A:

Q: A county environmental agency suspects that the fish in a particular polluted lake have elevated…

A: Given data: n1 = 5, n2 = 4 Sample I(From Polluted Lake) 0.523 0.723 0.523 0.623 0.523 Sample…

Q: Suppose a random sample of 320 students was asked to indicate which of 4 candy 'items' they…

A: Chi square χ2 test: Chi square test is used to test whether the distributions of categorical…

Q: The recidivism rate for convicted sex offenders is 9%.  A warden suspects that this percent is…

A:

Q: what will the sample proportion (or ) be? Please compute this value below and round your answer to…

A: We have given that  favourable cases, X = 113 Sample size, n = 310 Sample proportion, p^ = X/n

Q: To the Internal Revenue Service (IRS), the reasonableness of total itemized deductions depends on…

A: The given data of AGI and RAID are shown belowAGIRAID229.6279.63210.14811.16513.58517.712025.5 Using…

Q: A random sample of 100 freshman showed 6 had satisfed the university mathematics requirement and a…

A: Given data: A random sample = 100 freshman showed =  6 had satisfed the university mathematics…

Q: A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations…

A: A hypothesis testing can be used to draw conclusions about the population parameter. If the…

Q: A nonprofit company concerned with the school dropout rates has designed a tutoring program aimed at…

A:

Q: Make 1 real-life problem with a solution in any of the following topics; 1. Preforming hypothesis…

A: Testing of hypothesis is a rule which, when the sample values have been obtained, leads to a…

Q: If aipha is . what is the critical value of Z ina2-taled test? +2.57

A: Answer - If alpha is 1% , what is the critical value of z in a two tailed test ?

Q: 3. What is the correct decision in a hypothesis if the data produce a z-score that is in the…

A: Given data: What is the correct decision in a hypothesis if the data produce a z-score that is in…

Q: the p-value for this hypothesis test would be ________.

A: Given : n1=35 , n2=39 , X1-bar=64.5 , X2-bar=63.6 ,  σ1=3.0 , σ2=3.5 Our aim is to find the p-value.…

Q: A city claims that the mean number of public transportation users per day is at least 4,800. A group…

A: Null and alternative hypothesisNull Hypothesis:A null hypothesis is a statement regarding the…

Q: A magazine reported that at the top 50 business schools in a region, students studied an average of…

A:

Q: To the Internal Revenue Service (IRS), the reasonableness of total itemized deductions depends on…

A: Given data and calculation is shown below AGI(x) RAID(y) x2 y2 xy 22 9.6 484 92.16 211.2 27…

Q: A common characterization of obese individuals is that their body mass index is at least 30 [BMI =…

A:

Q: A sports equipment manufacturer has developed a new reasonably priced golf ball that it hopes will…

A: Boxplot : A boxplot could be a standardised technique of portraying knowledge distribution supported…