the company claimed that every​ 18-ounce bag of their chocolate chip cookies contained at least 1000 chocolate chips. Dedicated statistics students at a school purchased some randomly selected bags of cookies and counted the chocolate chips. Some of their data are given below. ​a) Check the assumptions and conditions for inference. Comment on any concerns you have. ​b) Test their claim by performing an appropriate hypothesis test.   1216 1215 1096 1187 1429 1118 1333 1342   1241 1247 1355 1132 1195 1272 1306 1130 What is the test statistic t=?? what is the p- value= ??

Q: ording to the Bureau of Labor Statistics (BLS), the median weekly earnings for men in the sales and…

A: Given data :  $627, $617, $732, $735, $639, $569, $494, $566, $648, $767, $683, $604, $727, $896,…

Q: Consider a question one could have come across in college, career, or personal life. Describe and…

A: Scenario:In District 12, a highly competitive congressional election is in progress, featuring the…

Q: practice question #1. A candidate running for office next year wants to know what proportion of…

A: Hypothesis is an assumtion that is being tested.

Q: It is estimated that 3% of adults age 18 to 29 who have high blood pressure. You wish to test this…

A: We assign Null Hypothesis (H0) and Alternative Hypothesis (H1) The test statistic,…

Q: Explain the difference between an independent and dependent sample. Choose the correct answer below.…

A: The objective is to explain the difference between an independent and dependent sample.

Q: In the hypothesis-testing procedure, there is a single sample and a known population that is called

A: When there is a single population with known population, then it is called one sample z-test.

Q: Gradebook Data Sets eText Multimedia Library 77°F Sunny A certain statistics instructor participates…

A:

Q: Which of the following examples best illustrates a loaded questions bias?     Alfred uses the…

A: Loaded questions are generally designed to elicit a particular response. Such questions are based on…

Q: Which of the following is the best level of significance for hypothesis testing? a. 0.10 b. 0.05…

A: The objective is to find out the best level of significance for hypothesis testing.

Q: 3 of adults Use the results from a survey of a simple random sample of 1157 adults. Among the 1157…

A: The sample size n=1157 The sample proportion is 63%. The population proportion 35

Q: need help with part C please.

A: The table shows the frequencies of religions and sneakers.

Q: At the end of many college courses, students are asked to rate the course. The school administration…

A: Chi-square= (summation (Oi-Ei)2/Ei) Where Oi's are Observed Frequencies and Ei's are expected…

Q: According to the Federal Trade Commission report on consumer fraud and identity theft, 23% of all…

A: A variable whose numerical value is determined by the outcomes of a random experiment is termed as…

Q: A corporate lawyer wonders whether the vigor of antitrust enforcement differed in the 2010s…

A: The following information has been provided:   Sample 1 = Firm 2000s Sample 2 = Firm 2010s…

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: Consider the saying, "Build it and they will come." This notable saying from a movie may very well…

A: Procedure to draw scatter diagram using excel: Enter the data of square feet and Parking space in…

Q: A certain statistics instructor participates in triathlons. The accompanying table lists times (in…

A: Since, we answer only up to three sub parts of a problem, we'll be answering the first three sub…

Q: You are a restaurant owner and want to decide whether to offer pick-up services through food…

A:

Q: State the hypotheses necessary to test whether the two populations differ from each other. b)…

A: Given: Let population 1 for people assigned to Excercise and population 2 for people assigned to No…

Q: The U.S. Census Bureau reported in 2002 that, for people 18-24 years old, the mean annual income for…

A: Given that ; For never married ; n1 = 100 Mean ( M1 )  = $ 21.539 For married couple : n2 = 100 Mean…

Q: Dependent-measures t-test. As a college admissions counselor, you are tasked with reviewing a set of…

A:

Q: Outline the four steps that allow us to use sample data to answer questions about an unknown…

A: Four steps of hypothesis testing: Step 1: create a null and alternate hypothesis. For all…

Q: Perform a hypothesis test for a population mean and for a population proportion The board of…

A: Given Information:  Population mean  (u) = 6  Confidence level (reliability) = 90%  Alpha value =…

Q: a. Complete the table by filling in the expected frequencies. Round to the nearest whole number:…

A: Test is that whether the distribution of blood type is different for millionaires.

Q: The table below includes results from polygraph (lie detector) experiments conducted by researchers.…

A: We want to find test statistic and p value.

Q: Make the summary statistics needed for the hypothesis test based on the following scatterplot that…

A: We have given a data of Per Capita Income and Overdose Death Rate for year 2019. sample size = n=…

Q: Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people…

A: Cell-only sample Landline sample Democrat or lean Democratic 49 47 Refuse to lean either way…

Q: Twelve husbands were asked how much housework they completed last week and how many children were in…

A: The statement accepted to be true is called the null hypothesis and the statement opposite to null…

Q: ed on records in the past 5 academic years, the sophomore biology class has a mean score of 75. The…

A: In hypothesis testing, two hypotheses are formed, namely null and alternate hypotheses. The…

Q: Four scenarios of statistical studies are given below. Decide which study uses a population…

A:

Q: ter screens were randomly selected from a large collection of computer screens in a company’s…

A: A sample is a part of the population, which is selected from the population and if the sample is…

Q: The average student loan debt is reported to be $25,235. A student belives that the student loan…

A:

Q: a. What is the test statistic?  b. What is the p-value? (Round your answer to four decimal places.)…

A: a. The claim of the test is hat 60 percent of the students who take her Elementary Statistics class…

Q: use a hypothesis test to determine if the proportions are statistically different. A recent survey…

A:

Q: The magazine Tech Worx reported that  89%  of software engineers rate the company they work for as…

A: A sample of 225 randomly chose software engineers in which 216 rated the company they work for a "a…

Q: A hypothesis test: tests a claim about the population. tests a claim about the sample.

A: In statistics, a hypothesis is a statement about the population parameter, based on the…

Q: Teacher Salaries. Data on salaries in the public school system are published annually in Ranking of…

A: (a) Denote μ as the true mean annual salary of classroom teachers in State O, in thousand dollars.…

Q: The table below includes results from polygraph (lie detector) experiments conducted by researchers.…

A: Test statistic: From the given information,   No(Did not lie) Yes(Lied) Total Polygraph test…

Q: boxplot of some data is as follows. 20 40 60 30 100 120 Using this boxplot, answer the following…

A: Given box plot is :

Q: b. Identify the sample proportion and use the symbol that represents it. A Р (Type an integer or a…

A: b.) The sample proportion is represented by the symbol p^.