The meanest of the mean
ALL OF THE GRAPHS!!!
À la ____
Collect that Data
_____ rare
100
Find the mean in the following data set: 1, 2, 3, 4, 5, 6
What is 3.5
100
You should use this type of graph when you want the reader to easily determine percentages.
What is a circle graph (or pie chart).
100
The mode in the following data set: 55, 66, 68, 77, 77, 78, 78, 78, 90, 100, 100
What is 78
100
A type of survey that questions only a portion of the population.
What is a sample survey.
100
Find the median in the following data set: 1, 4, 6, 8, 19, 22, 25
What is 8
200
You find me by adding up all of the numbers and then dividing by the number of data points.
What is mean?
200
You should use this type of graph if you want the reader to be able to clearly see the frequency of each category.
What is a bar graph or histogram.
200
I am the only measure of central tendency (mean, median or mode) that can be found when the data is qualitative.
What is the mode
200

the entire group of people you want to learn about

What is a population

200
To calculate the median in a data set with an even number of data points.
What is add them up and divide by two?
300
If the results on your 3 tests were as follows: 4%, 86%, 90% Which measure of central tendency (mean, median and mode) would you rather the teacher NOT use to calculate your report card grade?
What is the mean?
300

It is a way of organizing numerical data by representing part of each number as a ___ and the other part of the number as a ___

What are stem and leaf plots

300
The mode (what is it?)
What is the measure of central tendency that identifies the number that repeats the most often in a data set.
300
Disadvantages of a sample survey.
What is: that it may not provide an entirely accurate account of the population's opinions.
300
A data set with a median of 5, and range of 5.
What is 0, 3, 5, 5, 5
400
I change the most when outlying numbers are introduced to the data set.
What is the mean?
400

A graph that allows you to compare the number of boys vs. girls who like any given sport.

What is a comparative-bar graph?

400
True or False: Finding the mode of the class' test scores can always help a teacher know if their test was fair.
False.
400

It means association - more precisely it is a measure of the extent to which two variables are related.

What is correlation?

400
I am a measure of central tendency that is always stuck in the middle.
What is the median?
500
The mean number of letters in the following people's names: Frankie Gaby Jada Umma Ysaline Diego Alex
What is 5
500
The important elements that must ALWAYS be included on a graph.
What are title, labels, proper scaling, legend.
500

A data set where the mode is 3, the median is 3, and the range is 0.

What is 3, 3, 3

500
When you question a portion of the population that may not best reflect the population's opinion.
What is a biased sample?
500
These are Mark's cross-country race scores (in minutes): 0.5, 1.3, 1.4, 5.7, 5.7 Which measure of central tendency would give him the best average score? why?
The median, because the mode is of the highest numbers (which is a bad score) and the extreme numbers will result in a higher mean score.
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