At its most distant, Pluto is 7.5 billion km from Earth. We would like to leave Earth and stop at Pluto by accelerating at for half of this distance and decelerating at for the other half. How long does it take to make this trip? (Note you can’t actually carry enough fuel to accelerate continuously over the length of this trip. It’s just a thought exercise.)

Marisol collected data from a random sample of 1000 homeowners in Texas asking whether or not they wear gloves in winter. Based on the results, she reports the 20% of the homeowners in the nation wear gloves in winter. Why is this statistic misleading?  

Jackie is inspecting a shipment of vegetables.  All the vegetables are in crates.  Vegetables are not mixed up so all similar vegetable crates are packed together.  She randomly picks one group and only inspects them. What type of sampling is used?

You are tasked with surveying your town to find the best playground in the city.  You start by dividing the town into 6 regions.  You need  120 people to survey.  You plan to randomly sample 20 people from each region.     Which type of sampling method is being used?

Using the previous question about the number of pets in household (question 11), draw the box plot (box and whisker plot, non outlier version) on your scratch paper.  Make sure to upload your scratch!!!!  

Suppose you are interested in the average number of siblings a VC student has.  You design a survey to collect this data.  What type of data is being collected?

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.

A study that surveyed VC stats students found they are more likely to get sick around finals.  The study noted that students increase their caffeine intake and sleep less at this time. What type of study is this?

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?  b) What is the mode? c) What is the sample mean or xbar rounded to 2 decimal places?  d) What is the sample standard deviation rounded to 4 decimal places?

Using the previous question about the number of pets in household (question 11) , find the following:     a) first quartile= b) third quartile=