Compute an estimate of the average expenditure interval with two 99% and 90% confidence levels"

Q: (7) The commuting distance(in miles) for 12 students is listed below. 11.5, 21.9, 12.7, 9.0, 19.2,…

A: 7)Given data is11.5, 21.9, 12.7, 9.0, 19.2, 18.5, 19.3, 1.9, 19.2, 0.8, 28.8, 17.7

Q: You're the quality control manager KashCo (a subsidiary of Barker Industries), a major producer of…

A: Given,Mean, μ = 25 cm.Standard deviation, σ = 0.07 cm.Let X be a random variable represents the…

Q: Find the mean of the following data set: 55, 35, 45, 67, 12, 24, 48, 55, 58, 30 *Enter up to two…

A:

Q: The average daily points for my fantasy baseball team are {4.1, 5.7, 3.8, 4.7, 4.7, 5.5, 4.1, 2.7,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: The following data shows the scores of 10 students in a certain test in Mathematics. Assume that the…

A: Given that  Students  Score  1 24 2 26 3 32 4 37 5 38 6 35 7 33 8 38 9 37 10…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: Solution Age Number (f) Midpoint (x) f*x x2 f*x2 25-34 27.3 29.5 805.35 870.25 23757.825…

Q: The following is a partial histogram illustrating the course grade distribution for an introductory…

A: A partial histogram depicting the percentage of total students that took different courses, is…

Q: A company wanted to determine the child care costs of its employees. A sample of 25 employees were…

A: Solution :  In above example a value of one of the sample change so we know that standard deviation,…

Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Given: Number of employees (n) = 115

Q: Calculate Median, Q1, Q3 and IQR, sample mean, sample variance, and sample standard deviation for…

A: Given: data 48, 92, 47, 44, 94, 18, 95, 67, 74, 64

Q: Consider the following distribution of scores: 2,5,3,7,6,5. What is the mean?

A:

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: 1. The following data set of rental prices are given: 550, 480, 580, 600, 590, 550, 450. What are…

A: (1) The value of mean is

Q: What is the sum of the deviation scores for the data in the frequency distribution table below?

A: Sum of deviation  of scores from mean is always zero.

Q: The sample mean is the point estimator of 18

A:

Q: noat question Assuming a normal curve, find the highest Z score a person could have while being in…

A: Given that  A) P(Z < a) = 32% B) P(Z < b) = 6%

Q: The daily rates of a sample of eight employee at POL Corp. are $550, $420, $560, $500, $700, $670,…

A:

Q: TRUE OR FALSE: A z-score indicates the number of standard deviations a data value is ab below the…

A: Standardized z-score: The standardized z-score represents the number of standard deviations the data…

Q: A social scientist asked a random sample of 50 students, "How many friends do you have on your…

A: From the regression output,Independent variable=number of friends on favourite social media…

Q: Let’s pretend you have some data [4,7,2,4,8,6,5,1,0,9,10,3, 8,9,5,2,7,3,2,5,7]. a. Provide a summary…

A: Given information: The given data is, 4 7 2 4 8 6 5 1 0 9 10 3 8 9 5…

Q: How will you evaluate the MID-RANGE from the following series of data: 15,17,13,16,12,15,18,19,22,20…

A: Given: Data, X 15 17 13 16 12 15 18 19 22 20

Q: Explain the term "deviation scores"?

A:

Q: If a set of exam scores forms a symmetrical distribution, what can you conclude about the students’…

A: The set of exam scores forms a symmetrical distribution.

Q: Find standard deviation of each sampling distribution

A: here  given, According to a gallup survey of boys 77% of boys had played computer games in the past…

Q: a? stem-and-leaf plot of the test scores 67,72,85,75,89,89,87,90,98,100. How does the? stem-and-leaf…

A: Given: The data are given in this case: 67,72,85,75,89,89,87,90,98,100

Q: The following are ages in years of nine employees of a large company. 46, 22, 35, 26, 22, 53, 33,…

A: The question is about measures Given : Data : 46, 22, 35, 26, 22, 53, 33, 42, 59   To find : Mean…

Q: The following are ages in years of nine employees of a large company. 46, 22, 35, 26, 22, 53, 33,…

A: Given: The sample data is: 46,22,35,26,22,53,33,42,59

Q: 2. Consider the below data set: which one of these employees is in the 30th percentile? Which ones…

A:

Q: 3. Find the mean, median, mode, and Standard deviation of the following data: 15, 11, 18, 9, 15, 18,…

A: The mean can be calculated as follows:

Q: What is the relationship between a frequency or relativefrequency distribution of a quantitative…

A: Justification:Qualitative and quantitative data:Qualitative data are non-numerical measures such as…

Q: Solve the following problems: ( Ungrouped Data) The systolic blood pressures of 12 smokers are as…

A: Data given  114, 116, 118, 120, 122, 124, 126, 128, 130, 130, 134, 146

Q: The Bureau of the Census provides figure on the average annual income of all Pakistan households in…

A: Given that The mean household income in 2015 = $32,144. The median household income in 2015 =…

Q: mean of 3 1 and a standard deviation of 19.5 Complete parts (a) and (b) below Click here to view at…

A: Solution: Given information: n= 47 Sample size  x= 3.1 Sample mean s= 19.5 Sample standard deviation…

Q: Find the mean, median, mode, range, variance and standard deviation of the following sample data and…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…

Q: Refer to Table 2 and comment on the shape of the distribution.

A: The data is given on the closing stock prices of Maman. The descriptive statistics from Excel are…

Q: Considering salary of employee's in a company, the mean salary of managers is $102,000 per year.  Is…

A: Considering salary of employee's in a company, the mean salary of managers is $102,000 per year.…

Q: 78 70 59 10 88 Given the above data set, what is the sample standard deviation of Study hours using…

A: The sample data for the study hours of students number 1, 3, 5, 9 is 2, 22, 9, 9.

Q: Which one measure of central tendency would you report for the variable SEX (1=male, 2= female)

A: The measure of central tendency provides a measure about the center of the set of the observations.

Q: calculate mean, median, standard deviation, range , IQR, and coefficient of variation for the…

A: Step 1:Given that n= data size=10∑Xi​=5+2+7+8+12+11+9+4+5+10 ∑Xi​=73 Step 2:Mean=n∑Xi​​ Mean=1073​…

Q: Below is a chart for the Bureau of Labor Statistics. What is the mean, median, mode, range, and…

A: Given data  Arranged in increasing order  20.15 , 20.96 , 22.60 , 25.65 , 26.75 , 29.35 , 31.73 ,…