The united States ranks ninth in the world in per capita chocolate consumption; the aver- age American eats 9.5 pounds of chocolate annually (Forbes, July 22, 2015). Suppose you are curious whether chocolate consumption is higher in Hershey, Pennsylvania, the location of The Hershey Company’s corporate headquarters. A sample of 36 individuals from the Hershey area showed a sample mean annual consumption of 10.05 pounds and a standard devi- ation of s = 1.5 pounds. using α = 0.05, do the sample results support the conclusion that mean annual consumption of chocolate is higher in Hershey than it is throughout the united States

Q: he DASS-21 questionnaire is a validated measure of depression, anxiety, and stress. For the general…

A: Given that the mean for the anxiety for the population is 4.2 As it scales from the questions 0 to…

Q: What is your conclusion about the correlation between rainfall that day and mean age of customers?

A: Given that, Dependent variable = sales per 24h in a department store Independent variables = the…

Q: an or me ential rating. Use a = 0.05 and the foll Purchase Rating lual After Before 7 7 6. 67

A: given: a) Step1: The null and alternative hypotheses are as follows versus ;H0:d¯≤0versusHa:d¯>0

Q: A market research firm used a sample of individuals to rate the purchase potential of a particular…

A: d̅=0.375sd=0.9Explanation:Claim: The mean rating "after" would be less than or equal to the mean…

Q: Sloane conducted a study on years of completed education and income at age 40. She found that for…

A: In the given case, the researcher obtained the income of a sample of 40 years olds and their…

Q: e the p-value. (Round your answer to four decimal places.) ur conclusion. o not reject H,. There is…

A: The objective is to test whether the mean difference has higher potential Let μd be the mean…

Q: In one study, the correlation between the educational level of husbands and wives in a certain town…

A: Given that: Sample means of men and women: x¯=y¯=12 Standard deviation of men and women: sx=sy=3…

Q: A market research firm used a sample of individuals to rate the purchase potential of a particular…

A: The following has been provided: After Before 6 5 6 4 7 7 4 3 3 5 9 8 7 5 6 7…

Q: Suppose an All Greens store in Sonoma, California, wants to estimate a range of advertising costs…

A: According to the provided data, x4 is the dependent variable and x1, x2, x3, x5 and x6 are the…

Q: As a data collection specialist at the Centers for Disease Control and Prevention. you have been…

A: The given data is as follows:The liver cancer rates per 100,000 males among cigarette smokers versus…

Q: An ANOVA provides the following data: Group A's mean is 17.59; group B's mean is 15.74; group C's…

A: As here given that, MeanA= 17.59 > MeanB = 15.74 > Meanc= 14.91

Q: Gender 0 1 1 0 1 1 0 1 1 1 0 0 1 1 0 1 1 1 0 1 0 1 0 0 0 0 1 1 1 0 0 1 0 0 1 0 0 0 00 0 1 0 Length…

A: The question is about hypothesis testing.The data on the length of service (in years) of 70 former…

Q: The average one-ounce chocolate chip cookie contains 128 calories. A random sample of different…

A:

Q: The article "Well-Fed Crickets Bowl Maidens Overt reported that female field crickets are attracted…

A: Given Information: Sample size (n) = 32 Sample mean (x¯) = 103 Sample standard deviation (s) = 40…

Q: C6. The GSS 2014 asked respondents to identify what was important for "truly being American." When…

A:

Q: A company that sells tea and coffee claims that drinking two cups of green tea daily has been shown…

A: The Given Company that sell tea and coffee. To question would you ask to find out more about the…

Q: In a study examining overweight and obese college football players, Mathews and Wagner (2008) found…

A: The question is about hypothesis testing.In a study examining overweight and obese college football…

Q: The World Bank Group suggests that a minimum of 6 GB of internet data per month per user is needed…

A:

Q: ccording to a 2006 survey conducted by the Center for Disease Control and Prevention (CDC), birth…

A: Given that The "Birth Data.jasp" contains the birth months for 1380 babies (N = 1380) born during…

Q: A better drug? In a pilot study, a company's new cholesterol-reducing drug outperforms the currently…

A: Sample 1(current drug): n1=14x¯1=54.1s1=11.93 Sample 2(new drug): n2=15x¯2=68.7s2=13.3

Q: D. What is the predicted grade point average for someone whose IQ is 115? E. Does there appear to be…

A: E)The correlation between IQ and grade point average (GPA) can vary depending on several factors,…

Q: n observational study of teams fishing for the red spiny lobster in a certain body of water was…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: According to a 2006 survey conducted by the Center for Disease Control and Prevention (CDC), birth…

A: Chi square is used to determine whether the variables are independent or not. Chi square test are of…

Q: What are the hypotheses? Ho: Ha is - Select your answer - H: Ha is - Select your answer - Compute d…

A:

Q: Doctors are now considering prescribing social activities as a way to increase the overall health of…

A: The objective of the question is to identify the correct null and alternative hypotheses for the…

Q: An academic medical center surveyed all of its patients in 2002 to assess their satisfaction with…

A: Population mean = 84.5 Sample mean = 89.2 Sample standard deviation = 17.4 n = 125 Level of…

Q: Doctors are now considering prescribing social activities as a way to increase the overall health of…

A: The condition is given as the study is performed on the same subjects before and after.This is a…

Q: product magazine recently ran a story concerning the increasing prices of digital cameras. The story…

A: Given that, Sample size n=22 It was desired to test to determine if that average price of all…

Q: A researcher measures the following correlation between number of years of education and life…

A: The value of correlation coefficient  between number of years of education and life satisfaction r =…

Q: ccording to a 2006 survey conducted by the Center for Disease Control and Prevention (CDC), birth…

A: Solution: Given information: n= 1380 Sample size k= 12 Categories   because there 12 months from…

Q: Using the .05 level of significance, which of the following findings is statistically significant?…

A: Using the .05 level of significance,

Q: The DASS-21 questionnaire is a validated measure of depression, anxiety, and stress. For the general…

A: Hypothesis Ho: μ=4.2 vs H1: μ>4.2 test statistic=t=(x¯-μ)/s/n and df=n-1 When population…

Q: A coin-operated coffee machine made by BIG Corporation was designed to discharge a mean of 7.1…

A: Given data: Mean = 7.1 ounces Sample mean = 7.5 ounces Standard deviation = 0.3

Q: A market research firm used a sample of individuals to rate the purchase potential of a particular…

A: From the provided information, Level of significance (α) = 0.05 The difference (After - Before)…

Q: Assuming the lowest decile of men receive an average of $800/month in Social Security, while the…

A: Introduction:Observe the “Born in 1940” curve in the given graph. The average of the lowest decile,…

Q: The Golden Comet is a hybrid chicken that is prized for its high egg production rate and g…

A: The sample size of old hens is The sample mean rate of egg production is  eggs/day. The population…

Q: score (0 to 20) of how engaged an employee is with the team of colleagues they regularly work with,…

A: solution: Here pair- t- test is want To conduct. ie conduct a paired samples  T test using the…

Q: In a study, researchers wanted to measure the effect of alcohol on the hippocampal region, the…

A: Given:               Hypothesis population mean = µ = 9.02               Sample Mean x= 8.05…

Q: According to a CCH Unscheduled Absence survey, 9% of small businesses use telecommuting of workers…

A: Solution To test hypothesis we will use z distribution.

Q: 3.1 In a study, serum cholesterol levels were measured for a large number of healthy males. The…

A: The mean serum cholesterol level for those who developed CHD (μd)=244 The sd of serum cholesterol…

Q: age, the corporation may lose money, and if it dispe eving that the mean amount of coffee dispensed…

A: i) the hypothesis are H0: μ = 7H1: μ > 7 ii) type 1 error occurs when the null hypothesis is…

Q: I purchased the fastest internet speed I could. The local company promised me 1.0 Gbps speed on…

A: Given H0: λ = 1.0 Gbps, vs, H1: λ < 1.0 Gbps.

Q: Researchers conducted a study to determine the effects of different types of alcohol on the peak…

A: From the provided information, Sample size (n) = 15 Sample mean (x̄) = 77.4 Standard deviation (s) =…

Q: A manager uses the SLR model to study the relationship between training hours (X) and a job…

A: From the given information, SSR=94.3 and SSE =13.9.

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.