researcher hypothesizes that the average number of sports that colleges offer for males is greater than the average number of sports that colleges offer for females. Two independent random samples of the number of sports offered by colleges for males and females lead to (table in image) At α = 0.10, is there enough evidence to support the claim? a)  State the hypotheses b)  Compute the test statistic

Q: In a large class of introductory Statistics​ students, the professor has each person toss a coin 26…

A: Note that tossing of coins would follow binomial distribution as there are only two possible…

Q: A reporter claims that less than one in four Americans believe that Facebook acted inappropriately…

A: H0 : p =1/4 = 0.25 H1 : p <0.25

Q: A) Were this repeated measures t-test, what would be the sample size (n) for this test? B) True or…

A: Given t(45)=2.64  p<0.05

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: The random variable X follows normal distribution. We have to test whether the region has a higher…

Q: According to the Center for Disease Control (CDC) during the 2018-2019 season the percent of…

A: Given that  p=45.3% , n=500 , X=200

Q: Data collection has been carried out to test the statement which says that the standing endurance of…

A: Let X be the standing endurance of a random salesperson. In the given data, we have 31 observations…

Q: Suppose a study was conducted to compare the sleep deprivation rates of Californians and Oregonians.…

A: a) Assume that pA, pB are the true rate of sleep deprivation for State C and State O, respectively.

Q: An article in an educational journal discussing a non-conventional high school reading program…

A:

Q: A state-by-state survey found that the proportions of adults who are smokers in state A and state B…

A: From the given information, let p1 be the proportion of adult smokers in state A.  Let p2 be the…

Q: A researcher is interested in the effect type of residence has on the personal happiness of college…

A: Result of Anova: Single factor (Excel):Result of Sceffe's Test:

Q: A survey is conducted to determine if there is a difference in the proportion of students, parents,…

A:

Q: According to a union agreement, the mean income for all senior-level workers in a large service…

A: From the provided information, Sample size (n) = 9 Sample mean (x̄) = 410 Standard deviation (s) =…

Q: A researcher is interested in the amount of sleep an individual receives after consuming a sleeping…

A:

Q: A forensic psychologist is interested in assessing the prevalence of major depressive disorders…

A:

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: From the provided information, Sample size (n) = 54 Out of which 35 involved an intoxicated driver.…

Q: In a study of marital satisfaction, a random sample of 12 couples married for between five and…

A:

Q: 1. This is an example of a 2. Find the standard error. 3. Find the z value. -- hypothesis test.

A: Given,To find the type of test, standard error, and calculate the z value.

Q: sniprrier You may find it useful to reference the appropriate table: chi-square table or F table)…

A: The statistical software output for this problem is : (a) H0: Quality and source of shipment…

Q: A college entrance exam company determined that a score of 22 on the mathematics portion of the exam…

A: Given: The number of students who completes the core set of courses is n=150. The mean math score of…

Q: 1. This is an example of a 2. Find the standard error. 3. Find the z value. 4. Find the p-value.[.…

A: Given,the hypothesis test for one proportion.To answer the 5 sub-parts.

Q: Conduct a statistical test to examine whether achievement attitudes are associated with different…

A: The number of rows is 3 and the number of columns is 2.

Q: criminologist was interested in whether there was any disparity in sentencing based on the race of…

A: Black White Mean 6 4.8 Variance 3.25 6.1778 Observations 9 10

Q: In a survey, 33% of the respondents stated that they talk to their pets on the telephone. A…

A: N=150 P0=0.33

Q: one-way between subjects ANOVA produces dftotal = 29 and dfwithin = 27. For this analysis, how many…

A: From the given information, Consider, from the one way ANOVA, Dftotal =29, Dfwithin =27 Thus, the…

Q: The following data represent the smoking status by level of education for residents 18 years old or…

A: The data for the smoking status by the level of education is given.

Q: 1. During the COVID-19 Pandemic, while school-aged children were attending classes online, 70% of…

A: Sample size n =500 Favorable cases x =335 Sample proportion p^=x/n  =335/500 =0.67

Q: A state-by-state survey found that the proportions of adults who are smokers in state A and state B…

A: p1 = 0.245, n1 = 3000 p2 = 0.177, n2= 3000 alpha = 0.01

Q: Time magazine reported the result of a telephone poll adult Americans. The question posed of the…

A: The two proportions z - test would be an appropriate to compare the significant difference between…

Q: A researcher reports an independent t-test statistic withdf=20. How many individuals participated in…

A: Given information: df = 20 An independent t-test statistic is reported.

Q: A random sample of Americans were categorized according to their happiness and their income level.…

A: H0: Income and Happiness are independent HA: Income and Happiness are dependent

Q: Construct a 90% confidence interval to estimate the population mean when x = 122 and s = 34 for the…

A: df = n-1 = 20-1 = 19

Q: According to a Pew Research Center study, in May 2011, 33% of all American adults had smart phone…

A: p=0.33, n=352, X=122

Q: Researchers designed a survey to compare the proportions of children who come to school without…

A:

Q: According to a Pew Research Center study, in May 2011, 33% of all American adults had a smart phone…

A: n=352, X=122, p=33% , α=0.05

Q: In a survey of 1000 drivers from Region A, 871 wear a seat belt. In a survey of 1000 drivers from…

A: The question is about hypothesis testing.Given :No. of drivers from region A ( n1 ) = 1000No. of…