Mean, median, mode, and outliers
Find the mean of the following set of data: 13, 23, 21, 21, 20, 24, 18
What is the mean is 20.
Use Table A to find the z-score i.e. the number such that the proportion (percentage) of observations that are LESS THAN z in a standard normal distribution is
.0721
What is the z-score of -1.46
75% of the data
What is the third quartile?
We have 650, 490, 580, 450, 570.
Find the mean.
What is 548?
American President that appears on the $20 Bill.
Who is Andrew Jackson?
What is the mode: 10, 9, 4, 4, 8, 8, 8, 4, 7, 6, 11, 14, 27, 4, 9
What is 4.
The equation for finding the z-score.
What is z= x - (mean of the sample) / (standard deviation of the sample)?
Find the interquartile range for the data set: 12, 14, 11, 10, 9, 10, 9
What is the IQR = 3 - put the numbers in order from least to greatest - find the median - find the difference between the first quartile (9) and third quartile (12)
IQR=Q3-Q1
We have 650, 490, 580, 450, 570.
find the squared Deviation of each.
10402
3364
1024
9604
484
The year the First Avengers movie debuted.
2012
The rule for Outliers.
What is 1.5xIQR above the third quartile and below the first quartile ?
Use table A to find the proportion (percentage) of observations from a standard normal distribution that satisfy the following statement
z < 2.09
What is 98.17% or .9817?
In this data set 5, 15, 22.5, 42.5, 85.
15 is _____
Which is the first quartile.
We have 650, 490, 580, 450, 570.
Find the sum of the squared deviations.
24880
Darth Vaders Kids
Who is Luke and Leia?
What is the definition of the term mode?
What is the value or values that occur the most often in a set of data.
Use table A to find the proportion (percentage) of observations from a standard normal distribution that satisfy the following statement
-3.41 < z
What is 99.97% or .9997?
Make a box and whisker plot for the following data: 7, 1, 0, 4, 8, 3, 10
What is you should have points at the numbers: 0 (least value) 1 (FIRST quartile) 4 (median) 8 (THIRD quartile) 10 (greatest value).
We have 650, 490, 580, 450, 570.
What is the Variance?
S2= 24880/5-1=6220
This character is a pink animal and she has a brother named George.
Who is Peppa pig?
Frank has 3 nickels, 5 dimes, and 2 quarters. Find the mean, median, and mode of the values of Frank's coins.
What is: mean: 11.5 cents; median: 10 cents; mode: 10 cents.
Use table A to find the proportion (percentage) of observations from a standard normal distribution that satisfy the following statement
-3.41 < z < 2.09
What is 98.14% or .9814?
A solution used to kill bacteria is tested The solution kills the following percentages of bacteria in six trials: 85, 84, 87, 86, 90, 80 Use the data to make a box-and-whisker plot.
What is your box-and-whisker plot should have the following points: 80 (least value) 84 (lower quartile) 85.5 (median) 87 (upper quartile) 90 (greatest value)
We have 650, 490, 580, 450, 570.
Find the standard deviation.
S= sqrt(6220)= 78.86697 = 78.8670
The year Bitcoin launched.
2009