Types of Data
Does the following question require qualitative or quantitative data?
How are you feeling, knowing that the first day of school is tomorrow?
Qualitative
Which graph is good for displaying data with categories at one time.
Identify the outlier(s) in this data set...
12 500, 13 000, 125, 9990, 10 100, 11 200, 90 000
125 and 90,000
A graph not starting at 0 for it's Y-axis is a sign it is bias.
True
What sports franchise/team is the richest?
Does the following question require qualitative or quantitative data?
How long does it take you to get to school in the morning?
Quantitative
Which graph is useful for tracking data over time.
Line graph
Between these two sets, which set is going to have a higher mean?
Set 1: 1152, 1040, 990, 5000, 1210
Set 2: 1152, 1040, 990, 1320, 1210
Set 1
When you take away the outlier it will usually change the mode of a data set.
False
Where is the Grand Canyon?
Arizona. United States
should this data be collected from a primary source or a secondary source?
The annual rainfall for a local city
Secondary
What type of graph uses intervals to show data?
Histogram
What happens to the mean when you take away an outlier?
It gets smaller
To show the heights of basketball players on one team, a line graph would be the most appropriate.
False - Bar graph
How many continents are there?
7
For the scenario below answer...
Are the data qualitative or quantitative? Are the data discrete or continuous? Are the data primary or secondary?
Ellen wanted to find out how the wolf population in Algonquin Park has changed over the past 10 years.
The data are quantitative, discrete, and secondary.
What graph is used to show percent's of a whole group that was surveyed.
Circle graph
Determine the mean median and mode of the following set...
161, 213, 176, 206, 161, 843, 224, 204
The mode is 161
The median is 205
The mean is 273.5
To find the sector angle for a circle graph, you must multiply your decimals in your frequency table by 180.
False
What two states are not part of the U.S. main land?
Alaska and Hawaii
For the scenario below answer...
Are the data qualitative or quantitative? Are the data discrete or continuous? Are the data primary or secondary?
Ryan wanted to find out the average height of Grade 7 students so they measured the height of every student in their class.
The data are quantitative, continuous, and primary.
Which graph would be useful to show the heights of all basketball players from a league.
Histogram
Determine the mean median and mode of the following set... without the outlier***
161, 213, 176, 206, 161, 843, 224, 204
The mode is 161
The median is 204.
The mean is 192
To measure the size of a Great Danes growth, it is best to use a histogram.
False - Line graph
What is the least populated province?
P.E.I