Data Analysis - Research Methods

Question 1

Define data analysis:

Answer 1

transforming and summarising data to find and show useful information

Question 2

Define standard form:

Answer 2

writing large numbers in an abbreviated from. i.e. 1o to the power 4, rather than 10,000

Question 3

How do you find the mean?

Answer 3

add up all numbers and divide the total by the amount of numbers. e.g. 6, 7, 5. do 6+7+5=18, then 18/3 which is 6, so the mean is 6.

Question 4

How do you find the median?

Answer 4

list the numbers from smallest to largest, find the middle one. or, if there are two, add them together and divide by 2.

Question 5

How do you find the mode?

Answer 5

the most common number.

Question 6

How do you find the range?

Answer 6

the largest number minus the smallest.

Question 7

what is quantitative data?

Answer 7

numerical results that involve numbers & statistics e.g. percentages, fractions

Question 8

what is qualitative data?

Answer 8

written, letters, descriptive - results that are descriptive, where the data gives detail e.g. words, pictures