mathematical skills✅

Question 1

what are the 5 ways you can display quantitative data? briefly explain what they are

Answer 1

1- tables = scores displayed in columns and rows

2- bar chart = categories/ discrete data( x axis), frequency ( y axis)

3- histogram = bars touch eachtoher, data is continuous rather then discrete

4- line graph = frequency on 1 axis, continuous data on other axis

5- scattergram = correlational analysis, dots represent one pair related data

Question 2

what are the two types of distribution?

Answer 2

normal distribution = symmetrical/ bell-shaped curve. the mean,median and mode all occupy the same mid-point of the curve

skewed distributions = distributions that lean to one side or the other bc most ppl are either at the lower or upper end

Question 3

what is standard deviation?

Answer 3

measure of the average spread around the mean , the larger the standard deviation, the more spread out the data

basically it’s a spread of scores and a measure of the amount of variation or dispersion of a set of values (mean)
if some one got 1 and some one for 100 is would be a high standard deviation but if some one got 1 and some one got 5 it would be small.

Question 4

what is the mode, median, mean and range?

Answer 4

mode = most often number

mean = all numbers added together divided by how many there are

median= numbers in order, middle number

range= biggest number - smallest number