Psy-150
EPruitt_96
PSY150.QL1.pptxPSY-150: Quantitative Assessment
Spring 2020
purpose
The Quantitative Literacy assignment is NOT directly tied to a specific chapter in your textbook.
Students must complete the assignment as part of the assessment process at FTCC (PSY-150 was selected for quantitative literacy, other courses are assessing different outcomes).
The assignment counts the same as any other written assignment/DB.
The Assignment
Students will be given real data from the U.S. Bureau of Labor Statistics
The data is presented as 1) a table; and 2) a chart
Students are asked to answer 5 questions using the data provided
Mean
Mean: the sum of all the values, divided by the number of values (average)
Ex.: 4, 2, 1, 3, 5
Find the sum: 4+2+1+3+5= 15
Divide by the number of values: 15/5= 3
The mean is 3
median
Median: the middle number in a list of numbers ordered lowest to highest
Ex.: 4, 2, 1, 3, 5
Order from lowest to highest: 1, 2, 3, 4, 5
Find the middle number: 1, 2, 3, 4, 5
The median is 3
If there is not one middle number, add the two middle numbers together and divide by 2
Ex. 1, 2, 3, 4, 5, 6
3+4 = 7 ÷ 2 = 3.5
range
Range: the difference between the lowest value and the highest value
Ex.: 4, 2, 1, 3, 5
The lowest number is 1
The highest number is 5
5-1 = 4
The range is 4
Analyzing data
Take your time when analyzing data sets
Carefully read column and row headings
The ability to make assumptions and provide realistic explanations based on the numbers is important
