Mode, Median, Mean

Question 1

What is the sign for median

Answer 1

MD

Question 2

What is the sign for mean

Answer 2

X with _ on top or fancy u

Question 3

How to find mode

Answer 3

The mode of the data set is the value (or values) that occur most frequently

Question 4

What is the median

Answer 4

The median is the middle of the value set where 50% of data is below and 50% of data is above

Question 5

What is the first thing that you should do when finding the median

Answer 5

Order the data from smallest to largest

Question 6

How to find the median for an even number data set

Answer 6

You find the sum of the two middle data values and divide that by 2

Question 7

How to find mean of a data set

Mean is also known as arithmetic mean

Answer 7

You take the sum of the data values divided by the number of data values

Question 8

What is a weighted mean

Answer 8

The mean of a data set in which not all values are equally represented

Question 9

Name the 4 steps to finding a weighted mean

Answer 9

1) multiply each data value by its weight (frequency)
2) find the sum of these results
3) find the sum of the weights(frequencies)
4) divide the result from step 2 by the total weight from step 3

Question 10

Name the 6 steps for calculating the mean and median in a calculator

Answer 10

1) enter the data to L1
2) press [STAT]
3) move curser to “CALC”
4) select “1-Var- Stats”
5) hit enter
6) scroll down to see answers