A survey of 10 households was done to find out how many pets the own. This data is listed in the table below. 4 1 1 1 1 Now to find the standard deviation, we take the square root. Here we will round to one more decimal place than the raw data, so round to the nearest tenth. What is the standard deviation for the number of pets in a household? O.8 О 1.3 О 1.6

Q: 29. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: Since you have posted more than one question, we are answering the first question as per our rule.…

Q: A population has a standard deviation ? of 18.8 units. (Give your answers correct to two decimal…

A: From the provided information, Population standard deviation (σ) = 18.8 units

Q: A dish contains 4 blue and 3 red M&Ms.  You grab 4 M&Ms from the dish.  X is the number of red M&Ms…

A: Given : A dish contains : 4 blue and 3 red M&Ms

Q: There are 15 numbers on a list, and the mean is 25. The smallest number on the list is changed from…

A: The numbers in the list is 15, the mean is 25 and the smallest number is changed from 12.9 to 1.29.

Q: A sample consists of the following n = 5 scores: 10 4 3 7 3 Compute the mean and standard deviation…

A:

Q: The scores on a standardized mathematics test for 8th grade children in New York State from a normal…

A: Solution: Let X be the score on a standardized mathematics test for 8th grade children in New york.…

Q: Refer to the accompanying​ table, which describes the number of adults in groups of five who…

A: From the provided information, x P (x) 0 0.171 1 0.364 2 0.316 3 0.113…

Q: With a height of 64 in, Marvin was the shortest president of a particular club in the past century.…

A:

Q: 1. The College dean of the School of Criminal Justice Education asks the statistics Professor to…

A: Given that  Population standard deviation =3 Margin of error =E =1 99% confidence.

Q: Seth asked a random sample of 20 students how much cash they had in their pocket. The following…

A: Standard Deviation: It is a statistical measure that measures the dispersion of the dataset from the…

Q: Ten percent of the world's population is left-handed. A researcher claims that left-handed…

A:

Q: Seth asked a random sample of 20 students how much cash they had in their pocket. The following…

A:

Q: 7. The manager of a small dry cleaner employs six people. As part of their personnel file, she asked…

A: Given Information :  The manager of a small dry cleaner employs six people . As part of their…

Q: The residents of two towns both have a mean income of $30,000. Town A has a standard deviation of…

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

Q: For items 19 – 20, refer to the following: The time it takes for Grade 11 students in a certain…

A: Given Let X be random variable denotes the time taken by the student to complete a physical fitness…

Q: A population has a mean of μ = 65 and a standard deviation of σ = 15. a. If you select a random…

A: From the provided information, Population mean (µ) = 65 Population standard deviation (σ) = 15 a)…

Q: Here are the number of hours that each of a group of students studied for this exam: 2 4 22 2 1 4 1…

A: Solution Number of samples (n) = 10 Let "X" be the number of hours that each of a group of students…

Q: At their​ inauguration, the ages of the first six​ (out of a current number of​ 45) presidents of a…

A: Mean:The formula for finding mean is shown below:

Q: Without the degrees of freedom, the standard deviation of population will be estimated:   Question…

A: We want to know Without degrees of freedom standard deviation of population is.

Q: A set of final examination grades in an introductory statistics course is normally dis-tributed with…

A: Given that  Mean=mu=79 Standard deviation=sigma=12 X~Normal (mu=79,sigma=12) Note: According to…

Q: A student was asked to compute the mean and standard deviation for the following sample of n 5…

A:

Q: A population has a mean of 75 and a standard deviation of 15. You randomly sample nine people from…

A:

Q: In one town, the number of pounds of leafy greens consumed per person per year has a mean of 10…

A: (1) Standardized z-score:   The standardized z-score represents the number of standard deviations…

Q: A population has a mean of u deviation of o = 10. a. If 3 points were added to every score in the…

A: (a) The population has mean 50 and population standard deviation 10. Calculation: If n points added…

Q: The daily number of accidents in a certain city is recorded fro 49 days. The population standard…

A: Confidence interval: It is defined as the range which contains the value of true population…

Q: Questton Heip he zacoree to compare the given values. The lest ving man at one fime had a height of…

A: A tallest living man at that time height 233 cm. And the shortest living man had height 106.3 cm.…

Q: Two students, John and Ali, from different high schools, wanted to find out who had the better GPA…

A: The mean and standard deviation GPA of John are 3.0 and 0.7.

Q: For a sample of n = 25 scores, what is the value of the population standard deviation necessary to…

A: Given that, Sample size n=25

Q: If a researcher devises a test of emotional intelligence with a mean of 50 and a standard deviation…

A: We want to find the probability  P(40<X<50)

Q: SEM for a sample of size 100 and standard deviation of 5.6 is equal to?   a - 14/25   b 23/100   c…

A: Given: Sample size (n) = 100 Standard deviation = 5.6

Q: The heights of 1000 students are normally distributed with a mean of 174.5 cm and a standard…

A: Given that: A normal distribution where μ = 174.5 σ = 6.4

Q: The average baggage-related revenue per passenger is: $  (please round to the nearest cent) b) The…

A: An airline charges the following baggage fees: $20 for the first bag and $35 for the second. Suppose…

Q: with M = 85 and s = 12 is transformed into z-scores. After the transformation, what are the values…

A: According to the sum, A sample with M = 85 and s = 12 is transformed into z-scores. M=sample mean=85…

Q: an of 6363 and a standard deviation of 10.4.10.4. What percentage of the data is between 4545 and…

A: Given:Mean=mu=63Standard deviation=sigma=10.4Data point=x=45 and 77 The formula of z-score is:…

Q: Has the average time for a 10-mile race changed? To answer that question, we consider the Cherry…

A:

Q: A sample with M = 85 and s = 12 is transformed into z-scores. After the transformation, what are the…

A:

Q: Suppose babies born in a large hospital have a mean weight of 3181 grams, and a standard deviation…

A: Given,   Mean = 3181 Standard deviation = 526   The objective is to find the probability that the…

Q: Larry is a 62% free-throw shooter, that is to say that anytime Larry attempts a free-throw, there is…

A: Given data, p=62% =0.62 n=70 standard deviation of X =?

Q: In a sample of size 36, the sample mean was found to be 54.6. If the probability of getting a sample…

A: Given : In a sample of size 36, the sample mean was found to be 54.6.

Q: 29. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: The complete solutions are given below

Q: A group of eight college students were asked how many hours they slept the previous night. The…

A: MINITAB Procedure:Step1: Choose Stat > Basic Statistics > Display Descriptive…

Q: A population has a mean of 50, and the standard deviation is 10. You take several samples and…

A: We know formula for computing sample size is,  n≥Zα 2 σE2 where,  n- sample size  σ - population…

Q: A test consists of 260 true or false questions. If the student guesses on each question, what is the…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: An airline charges the following baggage fees: $25 for the first bag and $40 for the second. Suppose…

A:

Q: A quiz consists of 50 multiple choice questions, each with five possible answers, only one of which…

A: Given ,n = 50 P = 15 = 0.2

Q: With a height of 69in, Marvin was the shortest president of a particular club in the past century.…

A: (a). Find the positive difference between Marvin’s height and mean: The height of Marvin is x = 69…

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A: GivenMean(μ)=50standard deviation(σ)=8z=2.50

Q: 5. In a population with m = 65 and s = 6, Fred is 1 ½ standard deviations above the mean, John's…

A: Hi there! Thanks for posting the question. Since there are multiple questions, we will solve one…

Q: A random sample of 90 observations produced a mean of ?⎯⎯⎯=26.3 from a population with a normal…

A: The given data: Mean, x¯=26.3 Standard deviation,σ=2.08 Sample of observation, n=90  (a) 90%…