The average number of newspapers for sale in an airport newsstand is 12 and the standard deviation is 4. The average age of the pilots is 37 years old, with a standard deviation of 6 years. Which data set is more variable? Explain why with your work or with a sentence

Q: The lowest and the highest data value of a data set are 12 and 28 respectively, then the approximate…

A:

Q: for this set of data, the standard deviation is equal to: 9,8,10,5,5,2,3,6,3

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

Q: On a nationwide math test, the mean was 75 and the standard deviation was 7. If Roberto scored 70,…

A: The z score indicates how many standard deviations that a data points away from the mean. It can be…

Q: On a math exam, Joel had a score o 90, which was exactly 2 standard deviations above the mean. The…

A: Since, we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…

Q: On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 70,…

A:

Q: Salespeople for a car sales company have an annual sales average of $225,000, with a standard…

A:

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

A:

Q: On a nationwide math test, the mean was 57 and the standard deviation was 10. If Roberto scored 80,…

A:

Q: Which of the three histograms shown summarizes the data set with the smallest standard deviation?…

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be…

Q: The data that follows represent the prices of shoes.$60, $59, $85, $99, $95, $100, $116, $75 Find…

A:

Q: A Population has a Mean of 90 and a standard deviation of 25.  A sample of 20 college students is…

A:

Q: The time spent by a teacher at work in the holidays is normally distributed with a mean of 20 hours…

A: Given: Mean = 20 Standard deviation = 5

Q: a. If PO1 Dela Cruz's waist girth is 32, how many standard deviations away is he from the mean? b.…

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

Q: Pearson revises books each semester and the mean number of pages for 2010 is 568 with a standard…

A: Let, X= number of pages  Given that X follows normal distribution with mean= 568 and standard…

Q: Suppose you were told you scored two standard deviation below the mean on a measure where the main…

A:

Q: You want to know the percentage of utility companies that earned revenue less than 39 million or…

A: Given data You want to know the percentage of utility companies that earned revenue less than…

Q: Which of the below data sets has the lowest standard deviation? You do not need to calculate the…

A: The standard deviation is used to calculate the variability of the data set. It tells us that how to…

Q: If the range of a data set is 56, find the approximate value of the standard deviation, using the…

A:

Q: On a final exam, the mean mark was 68% and the standard deviation was 12%. If John’s mark was 36%…

A: Given that on a final exam, the mean mark was 68% and the standard deviation was 12%. If John’s mark…

Q: Assuming that the heights of college women are normally distributed with mean 61 inches and standard…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: A successful basketball player has a height of 6 feet 4​inches, or 193cm. Based on statistics from a…

A: The z-score identify that the value how many standard deviations from the mean. If the z-score is…

Q: In a study of Ridge View's boys' basketball team, the average height is 68 inches and standard…

A: Given, mean =μ=68Standard deviation = 4x = 78

Q: what does the mean and the standard deviation represent in data set? how would i interpret the…

A: Mean and standard deviation in data set:The mean represent the average value in a data set. In other…

Q: You plan to purchase a townhome and the average price of homes in the neighborhood you are looking…

A: It is given that the average price of homes in the neighbourhood is $400,000 and standard deviation…

Q: In one town, the number of pounds of sugar consumed per person per year has a mean of 6 pounds and a…

A: In one town, the number of pounds of sugar consumed per person per year has a mean of 6 pounds and a…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

A:

Q: The average life of a car tire is 50,000 miles.  The standard deviation is 2,000 miles   What…

A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…

Q: what is the mean and standard deviation?

A:

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: a set of piano prices are normally distributed with a mean of 3000 dollars and a standard deviation…

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: A population has a Mean of 100 and a standard deviation of 15.  A sample of 20 college students is…

A: Given information- Population mean, µ = 100 Sample mean, x-bar = 125 Population standard deviation,…

Q: With the extra data value,  the range, standard deviation, and variance is?

A: Given data: 3.31 2.79 2.83 1.97 1.69 2.54 2.46 3.44 3.93 1.59 2.86 1.61 2.57 4.02 2.49 2.42…

Q: The scores of students on an exam are normally distributed with a mean of 468 and a standard…

A:

Q: What is the mean age among men? What is the standard deviation (SD) of age among women? Is there any…

A: 1. Here we need to find the mean age among men. Here if we check the "Men" column and "Age in years"…

Q: Can you find the mean and the standard deviation?

A: To find the mean and standard deviation of the given data: Mean is the sum of observations divided…

Q: On the past mathematics test, the bottom 20% of students failed to pass the test. The mean for the…

A: The mean of the data is μ=55 and the standard deviation is σ=11 It is also given that 20% of…

Q: The state and will spend 15 hours average a week and class and the standard deviation is 2 hours…

A:

Q: In a survey of women in Canada, the mean height was 65 inches with a standard deviation of 3 inches.…

A:

Q: Which data set would you expect to have the highest standard deviation? Why? Heights (lengths) of…

A: 7. Answer: The b) Heights of all elementary school children have the highest standard deviation.

Q: What does the standard deviation tell you about a set of data?

A: Given To explain the standard deviation tell you about a set of data.

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: 3. In the qualifying examination for the admittance to college, the mean score was 65 and the…

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

Q: Jse the range rule of thumb to identify the values that are significantly low, the values that are…

A: Solution: Given that: Mean = 19.5 Standard deviation = 4.8

Q: Valentina obtained a score of 75 in a science exam and 90 on her English exam. on which test did she…

A:

Q: For the sample data 7, 9, 10, 11, 13, 22find the standard deviation (give your answer in three…

A: Given data is7,9,10,11,13,22sample size(n)=3

Q: The mean for data set is 59, the standard deviation is 4, and the z- score is 0.03, what is the raw…

A: Here given that the mean =59, standard deviation=4, z score=0.04, we need to find the raw score x.

Q: Find the standard deviation for this data set. if a one goal hockey game was added to this data set,…

A: From the plot representing the number of goals scored per game, there are three games in which three…

Q: the standard deviation or the interquartile range

A: answer of given question is in step 2

Q: there are 75 students in the class and 20 students are getting a+ grade in the class find the mean…

A: