What is standard deviation?
How variable the data is
The mode of
1.06; 9.3; 59.59; 6.01; 25.17; 1.06; 6; 1.06; 0.7
What is 1.06?
The range of
12; 12; 14; 15; 12; 16; 12; 18
What is 6?
The mode of the following data.
What is 35?
The range of the data
What is 18?
What is the difference in finding the standard deviation and MAD?
Standard deviation: you square the differences, find the mean, and square root the mean
MAD: you find the differences, find the absolute values, then find the mean again
The median of
7; 8; 16; 11; 9; 13
What is 10?
The range of
33; 4; 5; 6; 10; 15; 17; 18; 19; 21; 29
What is 29?
The median of the following data.
What is 5?
The median of the data and what does that mean?
What is 12?
Put the dot plots in order of LEAST variable to MOST
Lin, Jada, Elena
The median of
7; 12; 10; 12; 16; 10; 14; 1
What is 11?
The IQR of
29; 34; 39; 43; 73; 91; 198
What is 57?
Describe the shape of the data and what central measure you would use.
Symmetrical: Mean
***DAILY DOUBLE***
The first quartile of the following data
150; 134; 136; 120; 145; 170; 125; 130; 145; 190; 140
What is 130?
If the mean of the data is 12 and the standard deviation is 1. What is a possible data set?
11-13 with mostly 12's
The mean of
13; 9; 4; 19; 7; 8; 17
What is 11?
***DAILY DOUBLE***
The IQR of
35; 49; 53; 69; 69; 77; 84
What is 28?
There are 300 employees in this age range.
Which interval has 300 employees?
What is 11-21?
If a box plot has an outlier, what are the TWO formulas you can use to find them?
**HINT**: one to the left of the data and one to the right of the data.
Q3+1.5(IQR)
Q1-1.5(IQR)
Put the box and whisker plots in order from LEAST variability to GREATEST
C, A, B
***DAILY DOUBLE***
The mean of
16; 18; 12; 9; 7; 1; 16; 16
ROUND TO THE TENTHS PLACE
What is 11.9?
The IQR of
30.3; 45; 65; 72; 78; 89; 97; 100; 100.2
What is 43.5?
Describe the shape of this data and which central measure would you use?
DOUBLE JEOPARDY OPTION: Describe the relationship between the mean the median
Skewed left: Median.
DOUBLE JEOPARDY: The mean is less than the median
Each quartile is worth how much?
25%