1. The number of MPG a car drives is an example of a: a) discrete or b) continuous variable? Is it a Qualitative or quantitative variable?

2. A car survey is conducted on various car models based on car styles for ex. BMW, Porsche, Mercedes etc.
This type of variable is called a ________ variable?

3. A pollster decides to divide neighborhoods according to 20 block intervals he then decides to take a random sample of 15 of block areas, and surveys everyone in those blocks. This is an example of a:
a) Systematic Sampling
b) Random Sampling
c) Cluster Sampling
d) Stratified Sampling

4. A survey is conducted on 2500 students the first student is picked at random between the first 7th and then every 7th student is surveyed after that. This is an example of a:
a) Random Sample
b) Cluster Sample
c) Stratified Sample
d) Systematic Sample

5. The grade distribution for 15 students on their statistics exam was:
45,56,62,66,66,71,71,75,79,83,83,85,85,88,88
a) Draw a frequency distribution histogram
b) Draw a relative frequency distribution histogram

6. For the following data of MPG for 19 cars?
17,17,17,18,19,19,19,19,20,20,20,23,23,23,23,24,25,25,27
a) Find the Five Number summary ie: Min, Q1, Q2, Q3 Max
b) Draw a Box Plot
c) What is the Interquartile (Q3-Q1) range and Upper and Lower fences?
d) What is the formula for the standard deviation (do not work out too long just state the formula and how you would go about to do it)

1. The number of MPG a car drives is an example of a: a) discrete...