30. The following scores were given by 6judges for a gymnasts performance in vault of an international meet: 7, 5, 9, 7, 8, and 6.Find the population variance and the population standard deviation.

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: The following scores were given by 6 judges for a gymnast's performance in vault of an international…

A:

Q: With the aid of a table, find the sample Standard Deviation of the following dataset: X = {2.2, 4.7,…

A:

Q: Imagine that you and four of your classmates have measured the density of air and recorded the…

A: Let X be an density of air kg/m3. Therefore, X=1.27,1.21,1.28,1.25,1.24 We have to find average,…

Q: A sample of the number of sick days used by employees at a clinic is as indicated: 0,    0,    1,…

A: Given data 0,0,1,1,2,4

Q: 4.) Determine the range and Standard Deviation of the set of data 4, 8, 9, 11, 13, 15

A:

Q: The weights of 60 females in a physical education class are normally distributed with a mean of 135…

A: Obtain the Z-score for the random variable X equals 150 The Z-score for the random variable X equals…

Q: Find the range and standard deviation of the set of data. 12, 9, 7, 11, 11 O

A: Given data:                   12, 9, 7, 11, 11

Q: The following are the weights of 10 children admitted in a hospital on a particular day. Find the…

A: The mean for the dataset is calculated by dividing the sum of all data points, with the number of…

Q: Q1, Compute variance, the standard deviation, and SS for the sample below, 7, 5, 8, 5, 7, 6, 8, 5

A: Q1. The sample mean is, x¯=∑ixin=7+5+8+5+7+6+8+58=518=6.375 The sample mean is 6.375. The value of…

Q: Compute the standard deviation of the following set of data to the nearest whole number: 21, 22, 23,…

A:

Q: Find the range and standard deviation of the set of data. 12, 8, 7, 11, 22 O

A: Given sample data is  12,8,7,11,22.

Q: Find the range and standard deviation of the set of data. 6, 9, 6, 9, 9, 11, 13 O

A: Given - The set of data : 6, 9, 6, 9, 9, 11, 13 To find - Find the range and standard deviation of…

Q: 7) Calculate the vari ence and the standard deviation for the following data 3. 4 Number of children…

A: Given that : A frequency table is here By using this information we calc5 relative frequency and…

Q: Find the standard deviation for the number of girls in groups of 14 births when p = 0.5

A: Binomial probability distribution is a type of discrete probability distribution.

Q: The mean and standard deviation of the sampling distribution of the mean is shown as?

A:

Q: Calculate the variance and standard deviation for the following set of data. 21, 13, 24, 6, 22, 9,…

A:

Q: Find the Quartile Deviation for the following data : 391, 384, 591, 407, 672, 522, 777, 733, 1490,…

A:

Q: 6. The following data give the number of new cars sold at a dealership during a 12-day period 13, 5,…

A: see

Q: Suppose that the mean of a set of data is 50.2 and the standard deviation is 4.2.  Assume that the…

A: Given  μ=50.2, σ=4.2, h=5.1  We want to find the new mean and standard deviation.

Q: (a.) Find the point estimate for the mean and standard deviation of the salaries of all the…

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY  Now  Here Given the salary of 12…

Q: Here are the 2013 tuitions (in dollars) of 10 randomly selected 2-year, public colleges. 1761, 1754,…

A: Solution We will use some excel function to answer the part c and d.

Q: There are only 4 teams in a league. The winning percentages of the teams are given as follows:…

A:

Q: Suppose a population has three values 13, 17 and 24. What is the standard deviation of the sampling…

A: Given, Population values are 13, 17 and 24. Samples are drawn without replacement.

Q: For a certain species of snake, the mean length of an adult is 63.4 cm with a standard deviation of…

A:

Q: The weights, in pounds, of a group of dogs are:          18, 31, 22, 46, 55, 28.    Calculate the…

A: Given Data The weight of a group of dogs are: 18,31,22,46,55,28   The size of group is N=6   The…

Q: The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70,…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: Find the range and standard deviation of the set of data. 10, 8, 6, 13, 23 O

A: we first calculate the range of our data range = maximum-minimum=23-6=17range =17Mean=μ=sum of all…

Q: Compute the mean, standard deviation and the coefficient of the variation of the data 10, 13, 15,…

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

Q: The following data represent the flight time (in minutes) of a random sample of seven flights from…

A: Given data is, 283,271,261,267, 258,261,268 Sample size=n=7 Mean x¯=18697=267

Q: Find the range and standard deviation of the set of data. 12, 10, 5, 13, 15 O

A:

Q: A bookstore found out that 23 percent of their customers buy a book, 34 percent of their customers…

A:

Q: Males Females Mean 2.83 2.33 3.54 2.64 p = 0.4606

A: Given : Data   MALE FEMALE MEAN 2.83 2.33 STANDARD DEVIATION 3.54 2.64 Mean: It is the…

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

A: TI Calculator

Q: Following are the marks obtained by a batch of 9 students in a certain test. 65.3 , 45.6 , 35.9 ,…

A: Given: The marks obtained in a certain test is provided as:…

Q: The following data represent the flight time (in minutes) of a random sample of seven flights from…

A: to find range value, formula to calculate range = maximum - minimumfrom the provided data, maximum =…

Q: The following is a list of the ages of employees at Hammer's Inc. Find the mean and the sample…

A:

Q: 4. The variance of a data set is 3410.56. Find the standard deviation for the data set.

A:

Q: Compute the standard deviation of the sampled proportions if p=.8 and n=50. Round to three places.

A: Given,n=50p=0.8

Q: Find the range, the standard deviation, and the variance for a given samples.(Round non- interger…

A: Solution: The given data is 3, 5, 7, 8, 12, 20, and 25 The maximum value is 25 and the minimum value…

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

A:

Q: Find the range and standard deviation of the set of data. 4, 7, 4, 7, 7, 9, 11 O

A: The detailed solution is as follows below:

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: Compute for the mean, the variance and standard deviation of this frequency distribution. Score…

A:

Q: For a random sample of 25 students from a very large university, the accompanying table shows the…

A: From the provided information, Study time Number of students (f) 0 < 4 3 4 < 8…

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

A:

Q: The following data represent the flight time (in minutes) of a random sample of seven flights from…

A: a) Range= Maxumum time - Minimum time So 288-258 = 30

Q: What is the population mean, population variance and population standard deviation of the given…

A: Mean = ΣXi/n = (160+150+165+180+175+172)/6 =167 Variance= ΣXi2/n -(mean2)…