The mean value in a dataset is 100, and the value of one standard deviation is 20. What is the value a piece of data is 2.5 SDs above the mean? Type your answer...

Q: Which of the following are measures on positions of a data set? 1. the third qurtile 2. the median…

A: The third quartile, the median and the maximum measures the positions of a data set.

Q: Illustration : The mean and standard deviation of a set c 100 observations were 40 and 5 respective…

A: Mean is the average value of given observations. For a set of 'n' observations, mean is the sum of…

Q: middle 99.7% of car costs are between what values

A: Given that  Mean(μ) = $22,000 Standard deviation (σ) = $2000   We know that  68-95-99.7 Empirical…

Q: In Exercises, we have provided simple data sets for you to practice the basics of finding a…

A: The data is 4, 0, 5. The population size is 3.

Q: The number of assists per match for the setter on IVC's volleyball team has a mean of 51 and a…

A: Given information- Population Mean µ = 51 Standard deviation (σ) = 13 We have to find the number of…

Q: Suppose your statistics professor graded your test with a Z Score.  You earned a 3.25 on a test with…

A: Answer:- Given, Mean, µ = 71  Standard deviation, σ = 8  And Z-score = 3.25  We need to find the…

Q: some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: Given that the mean is 2.6 and the coefficient of variation is 2.7%. We have to find the standard…

Q: The mean and standard deviation of a data set are 5 and 7, respectively. If each observation in the…

A: From the provided information, Mean (x̄) = 5 Standard deviation (s) = 7

Q: Find the mean, the median, and the mode of the following scores. (If an answer does not exist, enter…

A: Solution: x(1) Frequency (f)(2) f⋅d(4)=(2)×(3) cf(6) 50 2 -2 -4 2 60 5 -1 -5 7 70=A 9 0 0…

Q: If the you were given a set of measurements 9.5 g, 8.5 g,9,1 g, 9.3 g, and 9.1 g, What is the mean…

A:

Q: Given the following set of data, determine the mean. 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1

A: The given data is 1,2,3,4,5,4,3,2,1,0,1

Q: There are 24 employees in a particular division of a company. Their salaries have a mean of $70,000,…

A: To find: What is the value of the standard deviation after the change? Write your answer in units of…

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 35 beats…

A:

Q: In Exercises, we have provided simple data sets for you to practice the basics of finding a…

A: (a).The population mean is calculated below.

Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: If your calculator finds both kinds of standard deviation, the sample standard deviation and the…

A: Solution-: If your calculator finds both kinds of standard deviation, the sample standard deviation…

Q: Perform a Paired-Samples t-test using the recorded weight loss (pounds) for the 20 patients involved…

A:

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: Provide a set of 20 data points that has a mean of 20, a median of 25, an IQR of 10, and a sample…

A: Data should have mean of 20, a median of 25, an IQR of 10, and a sample standard deviation between 9…

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

A:

Q: The GMAC Insurance company reported that the mean score on the National Drivers Test was 67.5 with a…

A:

Q: What is the mean of the data represented in the frequency table below? 3.75 3.50 2.75…

A: Given: x Frequency (f) fx 1 3 3 2 1 2 3 2 6 4 2 8 5 3 15 6 1 6   ∑f=12 ∑fx=40

Q: In the equation for computing the standard deviation, n represents what? a. the average b. the mean…

A: Given that Formula for standard deviations Sd=√{∑(x- x̄)/n}

Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: given data  cv = 1.9% μ = 3.2σ = ?

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

A:

Q: The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard…

A: Percentile:The percentile is the proportion of data lying below a certain value. For example, 56…

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 70,…

A: Given that,Mean = 72Standard deviation = 7And X=70

Q: Ngan scored 1 standard deviation below the class average on a statistics exam. The class average was…

A:

Q: In Exercises, we have provided simple data sets for you to practice the basics of finding a…

A: The data is 2, 5, 0, –1. The population size is 4.

Q: The value of the stanard error of the mean for the scores :  1,2,3,4,5 ?

A: Solution: Let X be the random variable. The given data is 1, 2, 3, 4 and 5.

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: When we use a subset of the population to calculate the mean, then this mean Is called Select one: O…

A:

Q: Gabriel and Lucia took a road trip across the country. The room costs, in dollars, for their…

A: Total number of observation=12

Q: Find the mean and median of the class’s scores on this quiz. Round to two decimal places when needed

A: Given that  From histogram  X-axis takes X values and Y-axis takes Frequency  X Frequency = f 1…

Q: pasting the output into Word and attaching it to your post. Graph the data as a histogram with a fit…

A:

Q: His .A Mean of population .B Mean of sample .C mode I need answer within 3 minutes with my best…

A: The solution is given below.

Q: 100 adults were surveyed and asked how many cars they have owned in their life. The results are…

A: Our objective is to find mean median and mode.

Q: The mean weight of a class of 35 students is 45 kg. If the weight of the teacher be included, the…

A: Given, The mean weight of a class of 35 students is 45 kg.

Q: Find the mean, the median, and the mode of the following scores. (If an answer does not exist, enter…

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