An article reports that men over 6 feet tall earn more than men under 6 feet, with these numbers: average 6 foot plus male’s salary $55,000, average male’s salary under 6 foot tall of $47,000, with a p-value of 0.45. Based on that reported p-value, and using the common definition of "statistical significance," which is the case?   The salary differences are not statistically significant.   The salary differences are statistically significant.   With that p value, the results are not significant.    With that p value, the differences are very close, but not statistically significant.

Q: A random sample of 250 physicians shows that there are 40 of them who make at least $400,000 a year.…

A: We have to find value of test statistics.

Q: A union of restaurant and foodservice workers would like to estimate this year's mean hourly wage u…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: A credit score is used by credit agencies (such as mortgage companies and banks) to assess the…

A: Given,

Q: According to a study conducted by a statistical organization, the proportion of people who are…

A: n=100 p=0.72 The objective is to solve the given questions based on a study conducted by a…

Q: A credit score is used by credit agencies (such as mortgage companies and banks) to assess the…

A: The test statistic is 1.59 and the P-value is 0.060.

Q: A credit score is used by credit agencies​ (such as mortgage companies and​ banks) to assess the…

A:

Q: A newspaper infographic titled "Have a Nice Trip" summarized data from a survey of 1,000 U.S. adults…

A: The objective of the question is to estimate the population proportion of U.S. adults who have…

Q: What statistical test to use?  A researcher is interested in whether self-proclaimed "cat people"…

A: Given information: A researcher is interested in whether self-proclaimed "cat people" are more…

Q: A credit score is used by credit agencies (such as mortgage companies and banks) to assess the…

A: We have to find conclusion from given solution.

Q: In a distribution with M = 3.40, SD = 1.47, what proportion of scores fall between 2.55 and 5.32?

A: Given that  M = 3.40, SD = 1.47 P(2.55<X<5.32)=?

Q: In ANOVA, the differences that are seen across the different group means is referred to as:

A: In ANOVA , there are two types of variation, one is between group and other is within group.

Q: The American Academy of Pediatrics offers guidelines and recommendations for how much “screen time”…

A: Given data,No of parents n=200proportion of these parents who indicate they follow screen time…

Q: In a study on caffeine and stress, college students (n = 10) indicated how many cups of coffee they…

A: The research hypothesis is that there is an association between stress and cups of coffee consumed…

Q: According to a study conducted by a statistical organization, the proportion of people who are…

A: The population is the data which includes all the observations that were used for the study. When…

Q: You are doing a research project for a class you are taking. You want to show the value such that​…

A: We will be first finding the descriptive statistics and then calculate the five number summary of…

Q: A credit score is used by credit agencies (such as mortgage companies and banks) to assess the…

A:

Q: The 2004 General Social Survey asked a random sample of 977 adult Americans how often they feel…

A: Given: The value of n is 977. The value of x is 304. The value of p^ is estimated as, p^=xn The test…

Q: Explain the term "deviation scores"?

A:

Q: According to previous studies, 10% of the U.S. population is left-handed. Not knowing this, a high…

A: The following solution is provided below

Q: Researchers at Carleton University in Canada studied a random sample of 10 first-year students who…

A: Given Data : For Sample 1 x̄1 = 2.46 n1= 10 s1= 3.26 For Sample 2…

Q: much customers buy is a direct result of how much time they spend in the store. A study of average…

A: We have given that  Population mean =8.3 for female Population mean =4.5 for Male  NOTE:- According…

Q: According to a study conducted by a statistical organization, the proportion of people who are…

A: Quantitative variables can be counted or measured, i.e, in this case the results are in terms of…

Q: Conduct a hypothesis test to determine if the data provide evidence that the mean pounds of product…

A: Let µ be the true mean pounds of product produced in an hour. The aim of the researcher is to check…

Q: An article reports that blue eyed people earn less than brown eyed people, with these numbers:…

A: P-value is much greater than 0.05 level of significance.

Q: According to a study conducted by a statistical organization, the proportion of people who are…

A: From the given information,      P = 0.88       n = 100 We know that, Quantitative variables can be…

Q: The USDA prepared a report indicating that a family of four spent on an average $890 per month on…

A: Mean ()=890standard deviation ()=90

Q: alternative hypotheses? A. Ho: The distribution of fatal injuries for riders not wearing a helmet…

A: The data is given on motorcycle fatalities and helmet use. Given that, Location of injury O p…

Q: (a) Conduct a test of independence to determine whether hours of sleep are independent of age. State…

A: Observed Expected (O-E)^2 (O-E)^2/E 36 33.6 5.76 0.171429 60 56.16 14.7456 0.262564 77 72.96…

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

A:

Q: Is there a statistically significant difference between males and females in terms of hiring and…

A: Note: Hey there! Thank you for the question. As you have posted several sub-parts of a question,…

Q: On average is the younger sibling's IQ different from the older sibling's IQ? Ten sibling pairs were…

A: Since you have posted a question with multiple subparts, we will solve first 3 subparts for you. If…

Q: In a race, the top 15% of racers win a $50 gift card. If the sample is normally distributed with a…

A: The normal distribution problems would solved by using z score and its formula is stated as follows.…

Q: Listed below are heights in inches of fathers and their first sons. Father Son Difference 1.…

A: According to the given information in this question We need to answer two parts

Q: Consumer Research, Inc.   Consumer Research, Inc., is an independent agency that conducts research…

A: Given the data collected on annual income, household size, and annual credit card charges for a…

Q: A random sample of 300 physicians shows that there are 50 of them who make at least $200,000 a year.…

A: Given,n=300x=50p^=xn=50300=0.1667H0:P=0.20H1:P<0.20

Q: Three sample observations taken for two variables are shown below: X (In $) (In ounces) 2.78 0.60…

A: We have to find variance, for comparing X and Y to check which varies the most. The variance is…