The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience. Admissions Probability 0.6 0.3 0.1 1,200 1,300 1,000 Click here for the Excel Data File Required: a. What is the expected number of admissions for the fall semester? Expected number of admissions b. Compute the variance and the standard deviation of the number of admissions. Note: Round your standard deviation to 2 decimal places. Variance Standard deviation

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

A:

Q: Number of children | Number of families 8 1 16 2 22 3 14 4 6 5 4 2

A:

Q: Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use…

A: Given Information:- 3.28 2.80 2.84 1.95 1.68 2.51 2.44 3.45 3.94 1.60 2.88 1.62 2.59 3.96 2.49 2.42…

Q: Suppose the people living in a city have a mean score of 40 and a standard deviation of 7 on a…

A: As per guidelines, we will only solve first three subparts, please repost other questions for more…

Q: A population has mean 49 and standard deviation 5. What is the data value that has a z-score of 2?…

A:

Q: Choose the letter of the correct answer. It is equal to the summation of the products of the value…

A: The formula to compute the mean is:

Q: Find  Variance and Standard deviation for the following data.  4,  4,  7,  11,  14.

A: Given sample xi is:  4, 4, 7, 11, 14  Sample size, n = 5   Sample mean can be calculated as:…

Q: Assume that the heights of women are normaly distributed with a mean of 63.6 inches and a standard…

A: Given,   Mean = 63.6 Standard deviation = 2.5 Sample size = 100   The objective is to find the…

Q: Find the mean and the standard deviation of the data. 48 22 34 26 27 37 20

A: From the provided information, Sample size (n) = 7 Data is given as follow: 48      22     34     26…

Q: Compute the mean, median, Variance, and the standard deviation for the data below: 3,2 ,3, 4, 3…

A:

Q: Use the following data set (2,3,4,4,6,7,8,12) The variance=10.5 Find the standard deviation and…

A: We have given that,  The data set is,  2,  3,  4,   4,   6,   7,    8,   12 And variance = 10.5…

Q: What is the mode of the data?  d. What is the standard deviation of the data?

A: Given Frequency table, Class Interval Frequency Relative Frequency 1 to 5 3 3 6 to 10 4 7…

Q: 1. Find the mean, the variance and the standard deviation for the data. {18, 18, 19, 18, 18, 25, 29,…

A: Given data is : 18,18,19,18,18,25,29,30,26,19 To find mean, standard deviation, and variance.

Q: The following data are the GPA’s of 12 students at State University. Determine the mean, median,…

A:

Q: Students in a large accounting class were asked to rate the course by assigning a score of 1, 2, 3,…

A: The objective is to find the mean and standard deviation of the ratings. It is known that the…

Q: Calculate the quartile deviation and coeficient fron Roll No. 1 3 4 6. Marks 12 35 20 18 64 52

A: Quartiles are partition values that divide the series into four equal parts for which three points…

Q: Listed below are 10 annual salaries (in millions of dollars) of TV personalities. Find the variance…

A:

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The…

A: Given that  The residence in Carmel to the IUPUI campus has a normal distribution.  Standard…

Q: he highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: The given sample is 30, 35, 22, 19, 29, 35, 27, 26.

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: The average travel time to work for a person living in Kokoma, Indiana, is 17  minutes.  Suppose the…

A: Solution: Let X be the average travel time to work for a person living in Kokoma  Indiana has normal…

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…

A:

Q: Given the sample data 85 85 85 85 85 85 85. Find the variance and the standard deviation of the…

A: Let X denote the sample data. The standard deviation of the data can be calculated as SD =…

Q: Calculate range, mean, variance, and standard deviation using the data on the number of injuries…

A: Arrange the data set in ascending order are.  0,0,0,1,1,1,2,2,3,4,4,5,8,9,11 Sample size n =15

Q: At a fishery, the largest catches in August were of blackfin tuna, sailfish, blue marlin, and king…

A: Given Blackfin tuna  SD=2.61  Sailfish  SD=4.61 Blue marlin  SD=1.97 King mackerel SD=6.67

Q: Use a normal distribution table or a statistical calculator to answer this question. A farm…

A:

Q: 20, 23, 25, 28, 30, 32, 35, 35 Mean = Median = Mode = Standard Deviation II

A:

Q: Find the sample variance of the following set of data: 10, 5, 8, 8, 9. Round the final answer to one…

A: XX210100525864864981…

Q: Give the TI commands to find the mean, median, and standard deviation and compare to the original…

A: TI Calculator

Q: A bakery owner tabulated sales to 50 customers and obtained the distribution. Find the mean and…

A: The table is given as: Class Continuous class Class markxi Frequencyfi fixi fixi2 0.00-1.99…

Q: Salaries for teachers in a particular elementary school district are normally distributed with a…

A: It is given that the mean is 47,000 and standard deviation is 4,600.

Q: coefficient of variation is 30%. Its mode Is 88. Find the mean and the median.

A: Here given, Pearson's coefficient of SKEWNESS = 0.4 Coefficient of variation  = 30% = 0.30 Mode = 88…

Q: Of the data sets below, which has the largest standard deviation? Set A:   1, 2, 3, 4 Set B:   1,…

A: Sample standard deviation indicates how far are the data points from the mean value in the sample…

Q: Find the population variance and standard deviation for th 10, 60, 50, 30, 40, 20 → ata set:

A:

Q: Given the sample data {1, 1, 3, 4, 6}.Calculate the mean. Calculate the standard deviation.

A: Mean refers to the average of a data set. It is obtained by the formula x¯=∑xin, where ∑xi is the…

Q: find the mean, variance, and standard deviation of the number who use e-mail.

A: Let p be the proportion of federal government employees use email. Given that p = 0.84 Let X denote…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A:

Q: 7,11,12,15,31,22

A: Here 1st we define the formula for standard deviation then solve this question.