Jill wants to estimate the mean number of pencils in each st…

Jill wants to estimate the mean number of pencils in each student’s backpack at Victoria College. She records the number of pencils in each of 125 randomly selected student’s backpacks at Victoria College. Match the appropriate term with its description. Read carefully.

We surveyed a sample of 27 households in a neighborhood and…

We surveyed a sample of 27 households in a neighborhood and asked for the number of pets in each household. The data is as follows: 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 7 a) What is the median of the above data?  [a] b) What is the mode? [b] c) What is the sample mean or xbar rounded to 2 decimal places?  [c] d) What is the sample standard deviation rounded to 4 decimal places? [d]

Complete the contingency table below and answer the question…

Complete the contingency table below and answer the question that follows. speeding  failure to use signal accident total Female 25 50 [a] 100 Male [b] 60 20 [c] Total 55 [d] [e] 210  What percentage of those surveyed were males that had an accident?  [f]% round to 1 decimal place

Melanie is investigating if caffeine intake has any effect o…

Melanie is investigating if caffeine intake has any effect on white blood cell count for males between the ages of 35-49. She collects a sample of 90 males between the ages of 35-49. We will be collecting hair color of the men as well. Match the appropriate term with its description. Read carefully.