Seven students on an intramural team weigh 179 lb, 172 lb, 174 lb, 185 lb, 162 Ib, 181 Ib and 193 lb. What is the standard deviation of the weights of these students? The standard deviation is (Round to the nearest tenth.)

Q: what standard deviation is 니S, 니7, 19, 23, 13,36

A: We have given that,  The data is,  45, 47, 19, 23, 13, 36 Then,  We will find the standard deviation…

Q: 2. A student has the following quiz scores: 5, 8, 16, 17, 18, 20. Find the standard deviation for…

A: Given- A student has the following quiz scores: 5, 8, 16, 17, 18, 20. To find- Find the standard…

Q: Ten friends scored the following marks in their end-of-year math exam: 23%, 37%, 45%, 49%, 56%, 63%,…

A:

Q: calculate the mean and standard deviation of the sample data, round each answer to at least two…

A: Given data,92, 91, 82, 96, 68, 68, 93, 44, 67, 38

Q: 5. Thirty-two percent of adult Internet users have purchased products or services online. For a…

A:

Q: What

A: Explanation and solutions is given below....

Q: The mean weight of newborn infants at a community hospital is 6.6 pounds. A sample of seven infants…

A: Sample points are 9.0,7.3,6.0,8.8,6.8,8.4,6.6. Sample size = n = 7.

Q: Consider the data set {6,3, 2, 9, 3}. What is the population standard deviation for this set? Round…

A:

Q: The top 15 2018 Congressional race contenders (out of 24) in NJ who raised the most money reported…

A: Given data: 7.0, 1.2, 6.4, 5.4, 2.1, 4.4, 2.9, 2.3, 1.75, 1.6, 1.5, 1.5, 1.4, 1.1, 0.8.

Q: A pharmaceutical company claims that a drug is effective in treating 90% of people having severe…

A: It is given that the random variable follows a binomial distribution with n=6 and p=0.9.

Q: What is the standard deviation of the following: 12, 47, 31, 18, 20, 35

A: Compute the mean of the data using the formula: x=∑ixin x=12+47+31+18+20+356  =1636  =27.1667

Q: What is the standard deviation of the data (7, 1, 7, 10, 5, 3, 2}? O 2.7 O 3.0 5.0 O 9.0

A:

Q: Twenty-five percent of commercial airline accidents are caused by bad weather. If 300 commercial…

A: The mean of the binomial random variable obtained by the formula μ=np, where (n) is the number of…

Q: In triathlons, it is common for racers to be placed into age and gender groups. Friends Leo and Mary…

A: d) The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: 1. Determine the Range, Standard Deviation, and Variance of the height in inches of the 30…

A: Here use formula of standard deviation, variance and range

Q: What is the standard deviation of the data set 14,23,9,12,21,18,8

A:

Q: Find the population variance and standard deviation  6, 15, 27, 33, 39

A: Here, the sample size, n is 5. The mean is calculated below.

Q: A pharmaceutical company claims that a drug is effective in treating 90% of people having severe mig…

A: Given information: The percentage of people having severe migraine headaches is 90%. That is, p=0.90…

Q: An airline charges $25 for the first bag, $35 for the second bag 54% have no checked baggage,  34%…

A:

Q: Find the mean, variance, and standard deviation for the number of sixes that appear when rolling 40…

A:

Q: Find the population standard deviation for the following scores: x = 2,45,2,6,3,2,9,10,11,34,64

A:

Q: Compute the mean and standard deviation for the sample below, rounding each to the nearest…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: 3. Given the sample variance of a distribution, explain how to find the standard deviation.

A: Variance is the measure of dispersion that calculates the average of the squared difference from the…

Q: Based on the sampling of testscores for saveral students at Hilton Junior High School, the following…

A: To calculate the standard deviation of the sample through Excel, follow the below mentioned steps.…

Q: A history class has 75 members. If there is a 12% absentee rate per class meeting, find the mean,…

A: It is given that n is 75 and p is 0.12.

Q: What is the standard deviation of the following: 43, 22, 48, 17, 29, 43

A:

Q: The number of people standing in the line to vote at the last Presidential Election at 7:00 P.M. was…

A: In statistics, three measures of central tendency are widely used. These three measures are also…

Q: Find the standard deviation (s) for the following: 8, 9, 8, 5, 6

A: The mean of the given numbers is obtained as follows:

Q: What is the Population Standard Deviation for the following numbers: 63, 7, 19, 33, 13

A: According to the given information in this question We need to find the population standard…

Q: Use a formula to find the standard deviation of the sample 1, 4, 5, 6.

A: We have given that,  The data set of the sample is,  1, 4, 5, 6 Then,  We will find the standard…

Q: In a job fair, 3000 applicants applied for a job. Their mean age was found to be 28 with a standard…

A: The mean is 28 and the standard deviation is 4.

Q: If three coins are tossed, what are the mean, variance, and standard deviation of the number of…

A: Let X denote the number of heads in tossing three coins. Let p denote the probability of getting the…

Q: Find the sample standard deviation, rounding to one decimal place. 6, 6, 6, 9, 12, 12, 12

A:

Q: A class has an equal number of boys and girls. The boys all got 78% on a test and the girls all got…

A: From the provided information, Boys got 78% on a test and girls got 84%. Let n = number of girls =…

Q: What is the standard deviation of the following: 25, 36, 33, 16, 45, 44

A: Measures of Dispersion: The word dispersion is used to denote the degree of heterogeneity in the…

Q: Two baseball players, Fredo and Karl, on different teams wanted to find out who had the higher…

A: Given  For ferdo: Batting average=0.158 Team batting average =0.166 Team standard deviation=0.012…

Q: given the data set 12,3,5,9,8,10,7,9  Find sample standard deviation using the short cut cut…

A:

Q: 4) Which of these samples would have the smallest standard deviation? a. 101, 92, 84, 131 b. -25,…

A:

Q: Thirty-two percent of adult internet users have purchased products or services online. For a random…

A: Obtain the mean for the number who has purchased goods or services online.   The mean for the number…

Q: An airline charges $25 for the first bag, $35 for the second bag.  54% have no checked luggage 34%…

A: The given information is that an airline charges $25 for the first bag, $35 for the second bag. 54%…

Q: Find the standard deviation for the given sample data. 2, 5, 9, 13, 17, 20

A: Solution-: We find the standard deviation of the given data

Q: The standard deviation of the sample 10, 10, 10, 10, 10  is

A:

Q: Find the mean and standard deviation of the following numbers:  35,18,12,32,35,75,32,26,18

A: Obtain the value of the mean. The value of the mean is obtained below: Mean: From the information,…

Q: A city took a survey of 1,550 households to find out how many televisions each owned. The mean was…

A: The margin of error helps in determining the fall of the sample mean within the decided range of the…

Q: Find the standard deviation for the group of data items (to the nearest hundredth)8,9,10,11,12

A:

Q: What is the standard deviation of the following: 48, 47, 43, 27, 16, 11

A: Standard deviation :   The standard deviation is the average amount of variability in your data set.…

Q: The tourist bureau of the Caribbean Island survey a sample of 6 United States tourists as they left…

A: The mean number of days spent on the visit can be calculated as:

Q: What is the standard deviation for the data given: 12, 18, 16, 22 Select one: а. 17.33 b. 13 c. VT3

A: Solution : Given data is :12,18,16,22 x¯=∑xin=12+18+16+224=17

Q: The mean gas mileage for a hybrid car is 57 miles per gallon. Suppose that the gasoline mileage is…

A: Let X is the gas mileage for a hybrid car. X~Normalμ=57,σ2=3.52

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.