PS_Unit 6_Extra Example_Desmos and Center/Spread Analysis
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Daphne Long
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a frequency table summarize?
Raw data points without any grouping.
The average of a dataset.
The number of times each data value occurs in a dataset.
The range of data values.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the mean from a frequency table manually?
Add all the frequencies together.
Multiply each data point by its corresponding frequency.
Divide the sum of data points by the total number of data points.
Find the median of the data points.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are data values and their frequencies entered into a Desmos table
to calculate statistics for a frequency distribution?
Data values are entered in y1 and frequencies in x1.
Both data values and frequencies are entered in x1.
Data values are entered in x1 and frequencies in y1.
Both data values and frequencies are entered in y1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Desmos formula correctly calculates the mean (μ) of a frequency distribution
where data values are in x1 and frequencies are in y1?
total(x1) / total(y1)
total(x1 * y1) / total(x1)
total(x1 * y1) / total(y1)
total(y1) / total(x1)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we use the variance to find the standard deviation (σ)?
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