Types of Data
What are the different types of catorgorical data?
ordinal or nominal
What do we call the average of a set of numbers?
mean
circle
What do we call the horizontal axis?
x axis
positively skewed
Is the amount of soft drinks you drink in a day an example of discrete or continuous data?
discrete
Find the median of the numbers 6, 4, 10, 8, 2
6
A slice takes up 90 degrees fo the circle, what percentage of the circle is that?
25%
true or false, line graphs are best for showing trends
true
what we call distribution in one peak?
unimodal
cat gave birth to a litter of kittens, adn he recored whether each kitten was a male (M) or a female (F)
M F M M M F F F F M
Classify the type of data
nominal Data
If all values are the same what is the range?
0
A pie chart has slices of 90, 60, 120 and 90 degrees, what is missing?
nothing
a line graph shows rainfall increasing from 5mm to 15mm, whats the change?
10mm
in a right skew distribution, which is usually larger mean or median?
mean
What type of data would the catergory favourite sport come under?
nominal
If the data set has two modes, what is this called?
biomodal
If a pie chart has 5 equal slices, what angle is each slice?
72 degrees
A line graph shows population growth from 100 to 400 in 10 years, whats the average growth per year?
30 people per year
A graph with touching bars that shows the shape of numerical data
histogram
Whats the difference between discrete and continuous data?
discrete is counted in whole numbers, continuous is measured and can have decimals
A set of scores is 3, 7, 5, 9, 3, what is the mean?
5.4
A slice is 210 degrees if 420 people were surveyed how many chose that option?
245 people
A line graph shows temperature rising from 10°C to 25°C in 5 hours, whats the average increase per hour?
3°C
A stem of 4 and leaves 2, 5, 8 represent these three numbers
42, 45, 48