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?   With that p value, the results are not significant.    The salary differences are statistically significant.   With that p value, the differences are very close, but not statistically significant.   The salary differences are not statistically significant.

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

A: Given data: The average salary of blue-eyed people is: A=$35,000. The average salary of brown-eyed…

Q: Consider the following dataset:      8   24   27   77   81   92   97   97   98   Find the percentile…

A:

Q: The Welcher Adult Intelligence Test Scale is composed of a number of subtests. On one subtest, the…

A: Answer: Given that:   ‘x’ is Normally distributed with                 Mean  µ =40       standard…

Q: A researcher collects data from two dependent samples. If the dependent variable is assessed using…

A: If it is possible to identify the individuals in one sample from those in the second sample, then…

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: summarized below in thousands. 1992: mean = 13,126; stdev = 675.3; n = 20 2012: mean = 14,197;…

A: The pooled standard deviation can be calculated as:

Q: d) For grouped data, the measures of spread are just as accurate as with raw data. f) The…

A: The measures of central tendency is mean.

Q: The mean household income in the US in 2019 was about $89,930 and the standard deviation was about…

A: The given data is as follows:Population mean, Population standard deviation, Median income,

Q: According to a recent article about individuals who have credit cards, he mean number of cards per…

A:

Q: Suppose that you have a large dataset (from 10,000 family members) regarding visits to the zoo. The…

A: Option D. Mean is the correct answer

Q: To interpret his finding, he needs to calculate the probability that a sample of 25 graduates would…

A: Let X is the random variable of the salary of the school’s graduates one year after graduation.…

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: Women are recommended to consume 1760 calories per day. You suspect that the average calorie intake…

A: Note : Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: Use the first 30 data values in Table 1. Test, at the 5 percent level of significance, the…

A: (a) The hypothesis to be tested for men and women's mean cholesterol is given as-…

Q: a. Use a = .05 to test for a difference among mean comfort scores for the three types of browsers.…

A: We perform ANOVA the step by step procedure in excel as below: Enter the data into excel sheet. Go…

Q: 52% of students entering four-year colleges receive a degree within six years. Is this percent…

A: Solution: Given information: n= 231 Sample size  x= 129 success  p^=xn= 129231=0.5584   Sample…

Q: An article reports that men over 6 feet tall earn more than men under 6 feet, with these numbers:…

A: Hypothesis test are used to measure the average significance exist between the sample and population…

Q: At a computer manufacturing company, the actual size of computer chips is normally distributed with…

A:

Q: An article reports that men over 6 feet tall earn more than men under 6 feet, with these numbers:…

A:

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped with a mean…

A: Given that the distribution of widget weights is bell-shaped with a mean of 52 ounces and a standard…

Q: A survey asked the question "What do you think is the ideal number of children for a family to…

A: Given x-bar=3.38 Standard deviation=1.9 n=532

Q: The scores on a psychology exam were normally distributed with a mean of 56 and a standard deviation…

A:

Q: A grocer finds that the cantaloupes in his store have weights with mean 0.7 kg and standard…

A: Given, Mean weight of cantaloupes is 700 gm. Standard deviation is 53 gm

Q: The mean value of land and buildings per acre from a sample of farms is $1600, with a standard…

A: Given Mean=1600 Standard deviations=300

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 9 on a…

A: A normal distribution has a bell shaped which is centred at mean. The standard normal distribution…

Q: Past records suggest that the mean annual income, u, of teachers in state of New York is less than…

A: Let X : annual income of 15 teachers from New york Y : annual income of 15 teachers from Illinois :…

Q: Using age as the quantitative variable and marital status (married/not married) as the categorical.…

A: Research question is what the researcher aims to investigate using statistical inferential…

Q: The mean value of land and buildings per acre from a sample of farmers is $1500, with a standard…

A: Assume, x be the random variable representing the value (in dollars) of land and buildings per acre…

Q: A. What proportion of people would score below 88 on the memory test? B. What is the percentile rank…

A: Given : Mean=100 Standard deviation =10   Note :As per guidelines only first 3 subparts have been…