What is the standard deviation of the following: 33, 35, 42, 38, 23, 37

Q: Question 2. A survey from summer 2019 found that the average American adult spent 3.5 hours a day in…

A: Probability distribution

Q: A local church parish wants to raise money to add to their campus. In a sample from a previous fund…

A: Consider that the population standard deviations of previous campaign find contribution and current…

Q: Question 4 Men's heights are normally distributed with a mean of 69.0 inches and a standard…

A: Given that For women Mean = 63.6 ,s.d =2.5 For men mean = 69,s.d =2.8

Q: Question 21 A 3-item test where each item has two categories (0 =No, 1= Yes) reports that items’…

A: By reliability, we mean the consistency of the data set. It can be measured by using Kuder-Richardon…

Q: What is the mean and standard deviation of the following dataset? 6, 3, 5, 9, 8, 11     Mean = 7,…

A: Calculate Mean, Sample Standard deviation (S) from the following data6,3,5,9,8,11

Q: Question 5. (CHILDHOOD NEVER COMES BACK) Bubba bought a bubble blower machine which produced 3125…

A: Question 5. The symmetric bell shaped curve is, The proportion of bubbles have age more than 17…

Q: 5) Explain what the value for the standard deviation in problem #4 tells us about Le commute times.

A:

Q: Question 3 According to a study done by Pierce students, the height for Hawaiian adult males is…

A: Given that  Normally distributed with an average of 64 inches and a standard deviation of 2.0…

Q: Question 2: Scores on a history test have average of 55 with standard deviation of 10. What is the…

A: The mean is 55 and standard deviation is 10. The z-score for a student who earned a 95 on the test…

Q: Question# 6: A teacher asked the students to complete 60 pages of a record note book. Eight students…

A: 5. Given :  A teacher asked the students to complete 60 pages of a record note book . Eight students…

Q: When testing (at the 5% level of significance) whether the proportionof peole who are contributing…

A: Test is that whether  the proportionof peole who are contributing has increased. For previous…

Q: A wall clock strikes the bell once at 1 o’ clock, 2 times at 2 o’ clock, 3 times at 3 o’ clock and…

A: 7) A wall clock strikes the bell once at 1 o’clock, 2 times at 2 o’clock, 3 times at 3 o’clock and…

Q: QUESTION 2 Given a uniform distribution with endpoints 4 and 22: What is the mean? What is the…

A:

Q: Question 24 The scores of a reference population on the Wechsler Intelligence Scale for…

A:

Q: QUESTION 2 The IQ test has a mean of 100 and a standard deviation of 15. Suppose a simple random…

A: Given that  The IQ test has a mean (μ) = 100 Standard deviation (σ) = 15 Random sample size (n) =…

Q: The number of gallons of paint that Home Depot sells in a given day is normally distributed with a…

A: Given information- Population mean, µ = 218 gallons Population standard deviation, σ = 37 gallons We…

Q: For the data shown, answer the questions. Round to 4 decimal places where possible. x 17.8 16.6…

A:

Q: Question 2 The Histogram shows the number of Histogram absent days for students during the first 10…

A: x¯ = ∑fx∑f  ; n = ∑f

Q: A nutritionist gets the amounts of sugar (grams) from 10 different cereals, including Cheerios, Corn…

A:

Q: A local church parish wants to raise money to add to their campus. In a sample from a previous fund…

A: We have find contributions.

Q: Question 6 (For question 6, just write down the answer. No explanation is needed.) (a) Sam and Peter…

A:

Q: A population of 33 scores has a sum of squared deviations value of SS = 507.09. What would be the…

A: Given that, The formula for calculating the population standard deviation is,

Q: QUESTION 2 The IQ test has a mean of 100 and a standard deviation of 15. Suppose a simple random…

A: Given data is appropriate for testing of hypothesis to test for z-test for single mean. Because it…

Q: QUESTION 19 Suppose the mean SAT score for a certain year was 1060 with a standard deviation of 194.…

A:

Q: Question 3 The times for 88 athletes who ran a 100 m sprint on the same track are shown below. All…

A: Given the data 10.2  10.8  10.9  10.3  10.2  10.4  10.1  10.4 (i) Mean = ∑1=18 xin              =…

Q: Question 3 According to the Empirical rule, what percent of the data should be between 174 and 846…

A: Given information- Population mean, μ = 510 Population standard deviation, σ = 168 We have to find…

Q: question 6. The highway mileage (mpg) for a sample of 11 different models of a car company can be…

A: The mode is obtained below:   The given data set is 38, 24, 36, 21, 20, 32, 47, 31, 37, 41 and 37.…

Q: Question 6 (For question 6, just write down the answer. No explanation is needed.) (a) Sam and Peter…

A:

Q: QUESTION 5 There are 37 employees in a particular division of a company. Their salaries have a mean…

A:

Q: QUESTION 25 A normal distribution has a mean of 60 and a standard deviation of 20. Barbara's score…

A: The z score is calculated aS:

Q: QUESTION 6 Find the standard deviation of the following numbers: 1, 1, 4, 6, 8, 10, 10, 12

A:

Q: QUESTION 14 "For a population with a mean = 550 and a standard deviation = 65, what is the X value…

A:

Q: a lower waiting time? The 10 randomly selected patients who went to the emergency room at rural…

A:

Q: Question 10: The length of needles produced by a machine has a standard deviation of 0.03 inches.…

A: Given that  Standard deviation=0.03 Margin of error=0.008 Mean=9 Let alpha=5%=0.05 Find sample…

Q: QUESTION 5 Scores for an admittance exam are normally distributed with a mean of 70 and a standard…

A: Let "x" be the lowest score of a student.

Q: Question 9 A particular fruit's weights are normally distributed, with a mean of 718 grams and a…

A:

Q: QUESTION 18 A researcher wants to estimate mean commuting distance within plus or minus two miles…

A:

Q: Question 10 The amount of coffee that people drink per day is normally distributed with a mean of 17…

A: as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: Question 4 Consider the Standard Normal distribution. The mean is always and the standard deviation…

A: We know that,  If X be a random variable from standard normal distribution have always population…

Q: A survey of 88 men found that an average amount spent on St. Patrick's day of $60 with a standard…

A: The sample sizes are 88 and 86.

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 71…

A: GivenMean(μ)=71standard deviation(σ)=16

Q: QUESTION 15 A population of 19 scores has a sum of squared deviations value of SS = 76.00. What…

A: Given that Sum of squared deviations(SS)= 76.00 N= 19

Q: Question 7: An IQ test is administered. The test has a mean score of 100 and a standard deviation of…

A: Given that Mean=μ=100 Standard deviation=σ=15 Z-score=1.20 This distribution is normally…

Q: QUESTION 4 Which of the following best describes what the standard error of the mean represents? It…

A: Parameter: A statistical measure based on population values is called a Parameter, e.g. population…

Q: Question 10 The empirical rule states that 99% of the population is within [A] standard…

A:

Q: QUESTION 10 In a statistics course, the average student result is 73.3% with the standard deviation…

A: According to the given information in this question We need to find the z score at 2 decimal places

Q: QUESTION 13 Find the standard deviation for the given data. Round your answer to one more decimal…

A: Given that  10,9,20,12,19,11,14,13,20  To find the standard deviation

Q: Glucose levels in patients free of diabetes are assumed to follow a normal distribution with a mean…

A: Given information- Population mean, μ = 120 Population standard deviation, σ = 16 Let X be the…

Q: QUESTION 1 New born baby weights are normally distributed with a standard deviation of 2.3 pounds. A…

A:

Q: Question 5 A particular fruit's weights are normally distributed, with a mean of 744 grams and a…

A: Given X is normal Distributed with mean µ = 744.0 and standard deviation σ = 14.0 ,n=14 now will…