Calculate the mean, the range, and the standard deviation.

Q: On a nationwide math test, the mean was 75 and the standard deviation was 10. If Roberto scored 85,…

A: The formula of Z-score is,

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

A:

Q: what if the standard deviation was 30, instead of 60

A:

Q: Pam is planning to take a SAT Prep course. She asks 7 of her older sister's friends who used a prep…

A:

Q: Of the 200 American film enthusiasts, the average age is: 30 years, while the standard deviation is…

A: Normal distribution is generally denser in the center, and basically less denser at the tails. There…

Q: statistics professor reported that the mean score in a recent quiz is 72 and the standard deviation…

A: Solution

Q: The scores of the sample of 11 senior high school students were recorded as follows: 70, 83, 74, 75,…

A:

Q: The arithmetic mean and the standard deviation of a set of 9 items are 43 and 5

A:

Q: Find the Mean, Median, Mode, and Standard Deviation of the data set. ((150, 105, 114, 124, 135, 150,…

A:

Q: The mean monthly electric bill for 132 residents of the local apartment complex is $86. What is the…

A: The best point estimate for a population mean is defined as the sample mean itself. Therefore the…

Q: Find the range and standard deviation of the set of data.   77​,88​,1212​,1414​,1717​,2020

A: Solution: The range of the data is calculated as follows:

Q: A data set has size of 40. How many observations lie within two standard deviations of either sides…

A: The 68-95-99.7% (Empirical) Rule: For a normal distribution, the empirical rule (68-95-99.7% Rule)…

Q: Find the standard  deviation  of 234,180,315,580,508,331,448 390,276,432

A: The question is about measures Give data :   To find : Std. deviation of a given data

Q: Would you be able to help with Standard Deviation along with the range, mean, mode, and median?

A: Measures of variability:The measure of variability or the measures of dispersion can be measured…

Q: choose a two digits number of your own choice and calculate the mean, median and mode.

A: Data: 11,13,15,19,21,20,20,20,13

Q: The hourly rate of 100 college faculty members at Merriam College, Quezon City are distributed…

A: Given data indicates the hourly rate of 100 college faculty members at a college. The objective is…

Q: If the mean is seven and the standard deviation is two, what value is three standard deviations to…

A: It is given that the The mean is 7 and the standard deviation is 2 i.e. μ =7 and σ =2. We have to…

Q: The mean height of 25 male workers in a factory is 61 inches and the mean height of 35 female…

A:

Q: The mean weight of five complete computer stations is 163 pounds. The weights of four of the…

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

Q: Calculate Mean, Median, Mode, Standard Deviation, Variance for the data below; 50, 43, 45, 41, 51

A:

Q: find mean and median for given data  45,89,78,564,23,69,85,56,14,85

A:

Q: The average depths in feet of four oceans are 13,215, 12,881, 13,002, and 3953. Calculate the mean…

A: Given: The average depths in feet of four oceans are 13215, 12881, 13002 and 3953. To Find:  The…

Q: Find the range and standard deviation of the set of data. 210, 215, 220, 225, 230, 235, 240

A: By using formulaes for range and standard deviation you can solve the given problem as follows :

Q: Determine the range and standard deviation of the prices of digital cameras shown below.   ​$158…

A: The given prices of digital cameras are given below: $158, $94, $175, $179, $97, $129, $228 and…

Q: what is the mean and standard deviation?

A:

Q: Find the standard deviation of 62,65,80,81,97

A: From the provided information, The data values are as follow: 62, 65, 80, 81, 97

Q: In Statsville, there is a city-wide speed limit of 30 mph. If you are caught speeding, the fine is…

A: Let X be the random variable of drivers who were fined Given Data: E(X)=42 SD(X)=7   Let Y be the…

Q: Find the mean and standard deviation of the filling numbers:  30,25,10,30,45,60,30,25,20

A: Mean of the filling numbers is Mean=sum of the all numbers /no  of  given observation Mean…

Q: In a qualifying examination for admittance to the BS Psychology. the mean score was 75 and the…

A:

Q: a nationwide math test, the mean was 60 and the standard deviation was 7. If Roberto scored 85, what…

A: Given data,Mean μ=60sd    σ=7 If Roberto scored 85z-score=?

Q: If the mean number of people who attended four basketball games is 7380​, what was the total…

A:

Q: On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what…

A: Given data,Mean μ=72sd      σ=7If John scored 75z-score=?

Q: Of the 200 American film enthusiasts, the average age is: 30 years, while the standard deviation is…

A: The normal distribution in the center is generally denser and basically less dense at tails. There…

Q: 38,44,44,47,56,59,62  Please find the standard deviation

A: The square root of the variance is the standard deviation.

Q: if the average snowfall for ottawa ontario canada is 98 inches per year and the standard deviation…

A: Let x be the snowfall for Ottawa Ontario Canada which follows normal distribution with mean 98 and…

Q: the mean (and standard deviation) snowfalss for two cities are noted below.  Ottawa : Mean=98…

A: The relative average can be obtained using z-score. The z-score for the snowfall in Ottawa is…

Q: According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the…

A: Given X is normal Distributed with mean µ = 65.0 and standard deviation σ = 3.0 Need to find Z score…

Q: Compute for the mean and median of the data below : weight (in Ibs.) number of students

A: Given,  Weight  Number of students 147-153 2 140-146 5 133-139 8 126-132 9 119-125 11…

Q: If the mean snowfall for Ottawa Ontario Canada is 98 inches per year and the standard deviation is…

A: Given,mean(μ)=98standard deviation(σ)=25

Q: The ages for a sample of fans at a concert are listed. Whats the mean, median, mode, range,…

A: The mean of a data set is commonly known as the average. You find the mean by taking the sum of all…

Q: In a sample of 20 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 164…

A:

Q: If you have a stem and leaf plot with numbers:…

A: The numbers are: 57 61 70 72 72 72 74 80 82 82 86 89 94 95 95 99…

Q: The mean (and standard deviation) snowfalls for two cities are noted below. Ottawa, Ontario Canada:…

A:

Q: on a nationwide math test,the mean was 63 and the standard deviation was 7. if roberto scored…

A: According to the given information, we have Mean = 63 Standard deviation = 7

Q: The average price of a personal computer is $949. If the computer distributed with a standard…

A:

Q: For the layperson, explain what the standard deviation of 2.2 means compared to the standard…

A: The standard deviation of women for tallest acceptable height is 2.2. It can be explained as, each…

Q: Find the standard deviation of the data set: 15, 42, 53, 7, 9, 12,14, 28,47. 16.78

A: Given data is ,15, 42, 53, 7, 9, 12, 14, 28, 47sample size(n)=9sample…