Week 2

Question 1

What are the metrics for the location of data?

Answer 1

1. Range
2. Percentiles
3. Quartiles

Question 2

What are the metrics for the centre of data?

Answer 2

1. Mean
2. Median
3. Mode

Question 3

What is the metric for the Distribution of Data?

Answer 3

1. Skewness

Question 4

What is the metric for the spread of data?

Answer 4

1. Standard Deviation

Question 5

What is a Quartile?

Answer 5

Q1 = 25th percentile
Q3 = 50th etc.

Question 6

What is a percentile?

Answer 6

Data/ 100

Question 7

What is the Median?

Answer 7

measure of the centre of the data (with 2 numbers in the middle, find average of them 2)

Question 8

What is the Population Mean?

Answer 8

(Mu) = sum of all population data / population size

Funny P without top and side thing

Question 9

What is the Sample Mean?

Answer 9

(X bar) = sum of all sample data / sample size

Question 10

What is affected and not affected by extreme outliers in data?

Answer 10

Mean is heavily affected by outliers
Median is NOT affected

Question 11

What is the Mode?

Answer 11

most frequent value in data set (can be more than 1… AKA bimodal)