Based upon your answers to 1A and 1C, specify whether you would reject the null hypothesis or would fail to reject the null hypothesis. Then explain what could be concluded about binge drinking based upon this result.

Q: A random sample of size n is taken from an exponential population and is used to test Ho: 0=00…

A: a) The likelihood function for a random sample of size n from an exponential distribution with…

Q: (a) Using a weight of for the most recent observation, for the second most recent observation, and…

A: Here given week vise time series value of no of gallons of gasoline sold by gasoline distributor in…

Q: Part 3 - Do You Curve? You have heard many a student ask their professor if they curve their course.…

A: From the given information, Grade Percent D- 2% D 3% D+ 7% C- 12%…

Q: 1. A factory manager needs to understand how many products are defective versus how many are…

A: The data for the expected and actual number of defectives is given.

Q: The contingency table shows how a random sample of adults rated a newly released movie and their age…

A: Null hypothesis: Alternative hypothesis:

Q: minutes. What percentage of his commutes will be between 13 and 26 minutes, to the nearest tenth?

A: Let X be the random variable that amount of time to arrive. Given that, X~N(μ=23,σ=5)

Q: 2. An elementary school teacher is interested in determining whether her male students will report…

A:

Q: A UW Madison professor of sociology wants to estimate a 90% confidence interval of the average…

A: Answer: From the given data, Sample size(n) = 28 standard deviation (s) = 0.04 90% confidence…

Q: 1. A researcher expects that the number of people (18 years and older) who report binge drinking in…

A: p=0.25, n=100

Q: Can we please run a paired samples t-test for this problem? Can I see the data output?

A: we first need to compute the differences between the GRE scores at week 0, week 4, and week 8 for…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: The p is the population proportion Based on the previous evidence the population proportion is 0.67…

Q: Which of the following probabilities can be calculated using the normal approximation to binomial? A…

A: The question is about normal approximation Introduction : If n * p and n * ( 1 - p ) both values are…

Q: In a study conducted to investigate browsing activity by shoppers, each shopper was initially…

A: Given  Nonbrowser Light browser High browser 4 5 4 5 5 7 6 5 5 3 4 7 3 7 4 4 4 6 5…

Q: Step 1 of 4: What are the degrees of freedom associated with the total sum of squares, TSS Step 2 of…

A: The sum of squares for treatment: SST≈13.1818 The sum of squares for error:  SSE≈812.5455 The…

Q: mpg Equal variances assumed Equal variances not assumed Levene's Test for Equality of Variances F…

A: The output of the Independent sample test for two samples is given. This test is used for two…

Q: 7. Wages for employees were measured resulting in the following graph 50% of the 40% of the of the…

A: The dataset contains a series of numbers, namely 1650, 1897, and so on, and the statistical meaning…

Q: A rental car agency has 60 vehicles on its lot - 22 are SUVs, and 38 are sedans. Eighteen of the 60…

A: Statistics is a field of study that involves collecting, analyzing, and interpreting data. It plays…

Q: 5. Below is a table of the estimated number of cell phones per household in a rural town. The number…

A: Let x be the number of cell phones per household in a rural town. The given probability distribution…

Q: 1. The data set below contains information about the satisfaction of a product (scale is 1-10) of…

A: Data set :  { 5,7,4,5,7,8,10,6,9,10,4,5,8,1,6,3,6,5,6,5,5,6,7,6 }  First arrange data in increasing…

Q: the LA Times has noticed a decline in its finances They decided to find out the key variables that…

A: Consider the given data: Y (Subscription) X1 (Population) X2 (Advert) X3 (Income) X4 (Fam Size)…

Q: K An education researcher claims that at most 4% of working college students are employed as…

A: Let us consider a sample taken from the population randomly Assume the population follows a normal…

Q: Suppose a chef claims that her meatball weight is less than 3 ounces, on average. Several of her…

A: Claim is that the meatball weight is less than 3 ounces  significance level(α)=10%=0.10 sample…

Q: For each question, find: A. Hypotheses   B. Type of test, level of significance  C. Test…

A: Mean(x)=31.75 standard deviation(s)=7.35 sample size(n)=40 significance level(α)=1%=0.01

Q: D If picking a 12-bit string uniformly at random, what is the probability that the string has more…

A: Here  Length of string =12

Q: 13. For the following set of 5 data points for two variables, what is the correlation coefficient?

A: Here given 5 pair of data (x,y) and Corresponding Z scores

Q: A website recently reported that salaries of Chief Finance Officers (CFOs) ranged from $127,735 to…

A: The frequency statistics is the number of times an observation is likely to occur. The cumulative…

Q: The chi-square goodness-of-fit is Multiple Choice always sometimes never a one-tailed test with the…

A: It is needed to discuss about chi square goodness o fit test.

Q: could you please explain the cancellation process? I don't understand why we get rid of numbers…

A: Suppose that 10 countries submit bids for the summer Olympics. The Olympic committee will select 4…

Q: The following table gives the data for the grades on the midterm exam and the grades on the final…

A: using excel we find slope and intercept

Q: Ataxd company tests a random sample of 10 steel-bebed radial tires of a certain brand and records…

A: 53000, 69000, 47000, 55000, 57000, 41000, 46000, 68000, 67000, 42000

Q: Use the linear regression model yˆ=−21.9x+927.93 to predict the y-value for x=37.

A: The independent variable is x and the dependent variable is y.

Q: The one-sample chi-square focuses on the distribution of two variables.

A: The one-sample chi-square focuses on the distribution of two variables.

Q: In a study conducted to investigate browsing activity by shoppers, each shopper was initially…

A: Non browser LightBrowser HeavyBrowser 4 5 4 5 5 7 6 5 5 3 4 7 3 7 4 4 4 6 5 6 5 3 5…

Q: The Toylot company makes an electric train with a motor that it claims will draw an average of no…

A:

Q: For each question, find: A. Hypotheses   B. Type of test, level of significance  C. Test…

A: The question is about hypo. testing Given : Popl. mean no. of yrs. of education ( μ ) = 13.20…

Q: 13) The following probability table shows probabilities concerning Favorite Subject and Gender. What…

A: The following probability table shows probabilities concerning Favorite Subject and Gender.…

Q: n (2) P(UA) = ΣP(A); i=1 i=1 (b) P((4) 21-n+ΣP(4); i=1 t=1

A:

Q: A major research study concluded that the mean number of times that adolescents had engaged in…

A: Answer  Given  Mean =2.9 standard deviation =7 sample size =36 level of significance =0.05…

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: To find CI for a population proportion. Let p be pop. proportion. Given that, Sample size…

Q: Find the area, to the nearest thousandth, of the Standard normal distribution between the given…

A: Answer:- Here, we need to find the area between Z = 0.7 and Z = 1.92 We use standard normal table to…

Q: : Below is a table of calls to a Poison center in Manhattan Kansas for exposures to disinfectants.…

A:

Q: You are given the sample mean and the population standard deviation. Use this information to…

A: We have given that.Sample size (n) = 80Sample mean (x̅) = 84.56Standard deviations (σ) = 15.26

Q: 6. For 230 random hours, the number of telephone calls to an emergency room was registered. The data…

A: a. Here's the Python code to draw a column chart representing the relative frequencies: The…

Q: ANOVA looks at both between subjects and within subjects variance. Looking at variance in one…

A: We have given that ANOVA looks at both between-subjects and within-subjects variance. We have to…

Q: A researcher has participants expecting to receive either painful or mild electrical shocks during a…

A: A study has been done for several participants.

Q: If a sample of size 10 has a mean of 394.0 with standard deviation of 1.6, how many degrees of…

A: Given that, Sample size (n)=10Sample mean (x¯)=394.0Standard deviation (sd)=1.6

Q: State the hypotheses and identify the claim with the correct hypothesis. (I got this first part.)…

A: The retention test score for books and DVDs of the students is given below. Sample size (n)=9Level…

Q: The following data, reproduced from Table 3.8 of Example 3-14, give the frequency distri- bution of…

A: Class Frequency 0 - 10 4 10 - 20 9 20 - 30 6 30 - 40 4 40 - 50 2

Q: The figure below illustrates the prevalence of cigarette smoking (yes/no) according to age in a…

A: The prevalence of smoking in different age groups was given in the Bar graph.

Q: What is the smallest sample size

A: