d) Suppose that a survey of 450 students had an average of $9550 with a standard deviation of $6000. However, the sample data suggests that the population has a distribution that is not normal. What would the p-value be for this test? (Show your work.) e) Given an interpretation of what the p-value means in the context of the problem. f) If significance level= 0.05, state a conclusion.

Q: Assume that scores on a trivia challenge test were distributed normally, with an average score of 70…

A: Given data, μ=70σ=6

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

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

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: Question 2: Studies indicate that small businesses (20-40 employees) in the U.S. spend an average of…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: A National Center for Health Statistics study states that the mean height for adult men in the…

A: Given information: μHeight=69.4σHeight=3.1μIQ=100σIQ=15 A) xHeight=75 Apply normal distribution:…

Q: The weights of packs of chewing gum for a certain brand have a mean of 47.1 grams and a standard…

A: Positive z score shows the number of z Sd above the mean or heavier than the mean by z standard…

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

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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: whose puilding values per acre are given, are unusual (more than two standard deviations from the…

A: X 1493 2089 1232 801 1590 1545 The data value that is less than $1200 is $801 and greater…

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: b. In a class of twenty-five 15-year old girls the average height is M = 62.60 inches. The national…

A: Given: X=M=62.60 inches, μ=63.80 inches, s=2.66 inches The Cohen’s d effect size is calculated as…

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

A: Given,Mean, μ = 61 ounces.Standard deviation, σ = 5 ounces.

Q: Claim: The mean pulse rate ( in beats per minute) of adult males is equal to 69 BPM. For a random…

A: From the provided information, Sample size (n) = 129 Sample mean (x̄) = 70.3 Sample standard…

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

A: Given that, Mean = 58 Standard deviation = 4

Q: A survey found that women's heights are normally distributed with mean 63.8 in and standard…

A: here given , A survey found that women's heights are normally distributed with mean 63.8 in and…

Q: Suppose that the mean value of interpupillary distance (the distance between the pupils of the left…

A: (3) Answer:- Given, Population mean, µ = 50 mm. Population standard deviation, σ = 2.5 mm.  Using…

Q: dminister claims that a particular test given to all college freshmen in the state has a mean of 87.…

A: Given data,Population mean μ=87Sample size n=100sample mean x=80sample sd s=17.66Find the test…

Q: Suppose that the average amount of ice cream that children eat at birthday parties is 3.6 oz, with a…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: A parenting magazine reports that the average amount of wireless data used by teenagers each month…

A: State the null and alternative hypotheses for the test. Fill in the blank below. H0: μ=6:…

Q: Example 3: A study was conducted that found the average price for an individual's first home in the…

A: Given data: Mean = 233500 Population standard deviation = 14750

Q: a) 68% of the widget weights lie between  and         ? b) What percentage of the widget weights…

A: Empirical rule (68 – 95 – 99.7 rule): For a bell shaped distribution (normal) the empirical rule…

Q: c) Find the z-scores corresponding to 66 inches (5 ½ feet) and 72 inches (6 feet).

A: The mean is 70 and the standard deviation is 4.

Q: .In university’s football team average weight of players is around (72) kg, and the standard…

A: Given Information: Heights of football team players are normally distributed. Mean μ=72  Standard…

Q: The average cost of rent for a one bedroom apartment in New York, NY is $2,856 per month with a…

A: (d)   Determine the two values that the 95% of the data lies. The two values that the 95% of the…

Q: The distribution of scores on the SAT is approximately normal with a mean of u = 500 and standard…

A: As per guideline expert have to answer first question three subparts only dear student please upload…

Q: is problem, assume that the distribution of differences is approximately normal. Note: For degrees…

A: The level of significance is given as α = 0.05(=5%). Hypotheses and level of significance: Denote μ1…

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

A: Answer:- Given data values are, 1488, 2394, 1242, 418, 1085, 1906Using formula, Unusual values are…

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: The critical value for assessing the difference between two proportions at the 0.05 level, or .025…

A: Given: The critical value for assessing the difference between two proportions at the 0.05 level, or…

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

A:

Q: A variable of a population has a mean of µ = 100 and a standard deviation of σ = 28. a. Identify the…

A: a.Sampling distribution of a sample mean:

Q: 3. The average birthweight of babies tends to be about 3.5 kg and has a standard deviation of 0.5…

A: Given,   Mean = 3.5 standard deviation = 0.5   The objective is to find the required proportions.…

Q: 17. The distribution of scores on the SAT is approxi- mately normal with a mean of u deviation of o…

A: Let X be the random variable representing the SAT score. Here, X~N( 500, 1002)…

Q: 1. The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a…

A: 1)GivenMean of Men(μM)=69.5standard deviation of men(σM)=2.63Mean of women(μW)=64.6standard…

Q: A variable of a population has a mean of u = 83 and a standard deviation of o = 24. a. Identify the…

A: We have to fill given blanks.

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

A: A Acme company manufactures widgets. The distribution of widget weight is bell-shaped  with the mean…

Q: A market research firm is interested in the amount that households in a certain town spend on…

A: In order to test the firm claim, conduct a single mean comparison hypothesis test. The hypothesis…

Q: "he mean value of land and buildings per acre from a sample of farms is $1400, with a standard…

A:

Q: 14. The scores on a standardized mathematics test for 8th-grade children in New York State form a…

A:

Q: e mean value of land and buildings per acre from a sample of farms is $1300, with a standard…

A:

Q: The distribution of test scores in a class is unimodal and symmetric with a mean of 80 pts and a…

A: Let X be the test scores in a class follows normal distribution with mean 80 pts and a standard…