Mean, median or mode?
True of False?
Find the mistake
Interpreting the numbers
What set has the greatest S.D.?
100
The average age of college professors is 42.3 years.
What is the mean?
100
When the mean is computed, all values in the data set are used.
True
100
The standard deviation is not affected by extreme values.
This is false: the standard deviation is not resistant.
100
The mean of the following data set: 10, 10, 10, 10, 10, 10 is...
What is 10?
100
Temperatures in Hawaii vs temperatures in Colorado.
What is temperatures in Colorado?
200
Most people prefer red convertibles over any other color.
What is the mode?
200
A single, extremely large value can affect the median more than the mean.
False.
200
In a bell shaped distribution, approximately 50% of the data values will fall within 1 standard deviation of the mean.
It is not 50% but 68%.
200
The median of the following data set: 10, 10, 10, 10, 10, 10 is...
What is 10?
200
The weights of the white cute guys or the weights of the dogs below them?
What are the different color dogs?
300
The most common fear today is fear of speaking in public.
What is the mode?
300
One-half of all the data values will fall above the mode, and one-half will fall below the mode.
False.
300
The mean and the mode are measures of dispersion.
Nope, they are measures of central tendency (or average).
300
The standard deviation of the following data set: 10, 10, 10, 10, 10, 10 is...
What is zero?
300
Amount of time spent per week for Ph.D. students in math at CSU vs Amount of time spent per week for all students at CSU.
What is Amount of time spent per week for all students at CSU?
400
One-half of the factory workers make more than $5.37 per hour, and one-half make less than $5.37 per hour.
What is the median?
400
In a data set, the mode will always be unique.
False.
400
The mean, the mode and the median will always be different values.
Nope, if the distribution is either uniform or bell-shaped, those values are going to be the same.
400
Without performing any calculation, what is the relationship between the standard deviation of the following sets:
a)1, 3, 5, 7, 9
b) 101, 103, 105, 107, 109
They're the same.
400
Weights of all dogs at a golden retriever rescue shelter vs Weights of all dogs for sale in a pet store.
What is Weights of all dogs for sale in a pet store?