Q1: ? Assigned Problem 1:? Perform a categorical analysis on fees
Q1:
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Assigned Problem 1:? Perform a categorical analysis on fees for this sample of mutual funds. Describe your findings?
Assigned Problem 2:? Create a frequency distribution and a histogram of the NAV??s.? Use eight classes of data.? Edit the graph to make it professional looking.? Describe your findings?
Assigned Problem 3:? Compute the descriptive statistics for the 1-year return of the mutual funds.?? Describe your findings?
Q2
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Assigned Problem 1:? Create a pivot table (also known as crosstabulation or a contingency table) of Race and Low Birth Weight on Excel so you can answer the following:
What is the probability of randomly choosing a Black woman?
What is the probability of randomly choosing a White woman AND a Low birth weight?
What is the probability of randomly choosing a Black woman OR a Low birth weight?
Given that the mother you selected is a White, what is the probability she had Low birth weight?
Given that the mother had Low birth weight, what is the probability she is Black?
Assigned Problem 2:? Let us assume that the Low_Birth_Weight. is a random sample from the Concordia Hospital in 2018.? We are given that the mean birth weight is approximately 6.5 pounds with a standard deviation of 1.6 pounds.? Note: The national standard is that a birth weight below 5.5 pounds is low.? Using Microsoft Excel compute the following:
What is the probability of a low birth weight (< 5.5 pounds) occurring at Concordia?
What is the probability of a birth weight being above the national average of 7.5 pounds?
What is the probability of a birth weight being between 5 and 6 pounds?
The bottom 10% of births by weight are below what weight?
Q3
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Assigned Problem 1:? First compute the mean total weight and standard deviation of the garbage disposed each week by the sample.? Then, compute the 95% confidence interval of the mean total garbage disposed of in a week on Concordia St.? Describe your findings.
Assigned Problem 2:? First compute the proportion of homes in the sample that recycle.? Then, compute the 95% confidence interval of the proportion of homes on Concordia St. that recycle.? ??Describe your findings.
Assigned Problem 3:? You wish to learn the average number of pounds of garbage disposed of in a week by the people on Concordia St. within two pounds.? Using the standard deviation from problem 1 as an estimate, how large of a sample should you obtain?
Assigned Problem 4:? You wish to learn the proportion of homes on Concordia St. that recycle within 10% of the true population proportion and be 99% confident of the results.? How large of a sample should you obtain?
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