What is the average number of customer service by Spa C?

Q: What is formula for converting a Raw Score to z?

A: The standard normal distribution: A continuous random variable Z is said to follow standard normal…

Q: The symbol μˆpμp^ represents the proportion of a sample of size n. True False

A:

Q: How to calculate the "P-value"  by hand?

A: To calculate the p-value, we first need to perform a linear regression analysis on the given data,…

Q: What is the mean amount (in ml) of blood in the vias 9.79, 9.81, 9.91, 9.96, 9.98?

A: The objective of this question is to calculate the mean (average) amount of blood in the vials. The…

Q: What is the SRS size?

A: Given that Standard deviation =6.4 As solved part(a)  The standard deviation of sample mean =0.4667…

Q: A quantitative data set has 22 observations  when arranged in descending order what is the value of…

A: The quantitative data set has 22 observations.

Q: A consumer advocacy group is doing a large study on car rental practices. Among other things, the…

A: It is given that the mean monthly mileage of cars rented in the U.S. this year is greater than last…

Q: Explain the meaning of the specified term Population distribution

A:

Q: The average price in USD of 20 items in the month of April 2020 at a general store is 10.5, 12. 5,…

A: Given : 1 10.5 2 12.5 3 14.1 4 12.4 5 14.4 6 12.2 7 13.5 8 12.2 9 17.9 10 15.8…

Q: How does exact multicollinearity affect OLS estimates?

A: Ordinary Least Squares (OLS) estimation is a method for finding the minimum total of squared…

Q: In the concept of Inter quartile range (IQR), it divides the whole data set into ---- parts. Select…

A: When a data has extreme values (highest and lowest values), its statistics is summarized by…

Q: Average temperatures in MMáy in a certain city are normatly distributed with a mean ef 70 degrees…

A: From the given information, Consider, X is the temperatures in May that follows normal distributed…

Q: What is an item in your house that has at least two different sized rectangles as cross-sections?

A: For a table, two rectangles meet at a line at the edges.

Q: What are the measures of variation and what is the Imperial rule

A: Different measure of variation 1. Range It takes the difference between the maximum of the data and…

Q: What is the population and sample of this study?

A: We want to know population and sample in given example.

Q: The best point estimate of population mean is?

A: Best Point estimation requires the use of survey data to measure a single value (also known as a…

Q: How to estimate distribution

A: Steps to estimate a distribution1) Split the sample space into bins2) Count the no of samples that…

Q: The U.S. Census Bureau computes quarterly vacancy and homeownership rates by state and metropolitan…

A: Using Excel>data>data analysis>ANOVA>One-way ANOVA, we get: Since, P-value < 0.05 OR…

Q: Which scale of measurement most reasonably applies to race?

A: Which scale of measurement most reasonably applies to race?

Q: How can compute the mean of the failure conditions by multiplying each "failure" mean by 0.5?

A:

Q: What other options are there to guarantee the accuracy of the data collected in the field?

A: Here, it is needed to find the options those are guarantee for the accuracy of the data collected in…

Q: what is ncx?

A: Combination: The number of different selections of ‘x’ elements (order doesn’t matter) from a set of…

Q: Which would be the most effective method to determine if the mean diameter of the suppliers products…

A: Concept: Whenever we want to check whether the mean claim is being fulfilled or not we use…

Q: You may need to use the appropriate appendix table to answer this question. The mean cost of…

A: GivenMean(μ)=385standard deviation(σ)=110