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Margin Of Error
Data in real life
Math
Computer Days
Previously Covered
100
SEM=SD / √n
What is the equation for standard error of the mean?
100
Its defined as using statistics to lie to people
What is the meaning of (misleading data)?
100
A variable for the number of values in a data set
What is N?
100
My data has headers
What is one thing you have to make sure to click when using the sort and filter function on your data?
100
Equation for correlation
What is r= ∑zXzY/(n-1)
200
Sampling
What is the process of taking a smaller group of participants/scores from a larger population?
200
Comparing apples to oranges is an _______, one way of misleading people with data.
What is an unfair comparison?
200
Find the mean of three values that add up to 111
What is M=37
200
rows and values
What are the two fields that you drag information into to form a pivot table?
200
z-score equation
What is z= (X –mean)/SD?
300
Unbiased
the sample that represents the population
300
"The poker play has won 3 out of the last 5 hands" is an example of
What is a meaningless boundary?
300
the margin of error
What is estimated by the standard error of the mean?
300
The three ways you can perform a calculation, such as the mean or seeing how many males and females there are
What is using the insert function key, a pivot table or typing it in manually?
300
Find the Standard error when the SD is 6.5 and n is 335
What is .35
400
the standard error measures the variability of a distribution of sample means
What does the standard error measure?
400
Overgeneralizing
What is showing overall results without indicating the differences?
400
the pearson (r) correlation
What is the name of the correlation equation that has to have a value between 1 and -1?
400
By clicking on the green plus sign, clicking the arrow on error bars, going to more options, and then going down to custom and specify the values.
What is the way to insert error bars onto your graph?
400
Find the z-score when x is 5 the mean is 7.2 and SD is 2.4
What is -.92
500
Find the standard error of the mean of 3, 6, 11, 13, and 5?
What is 1.88?
500
Scaling
What is a misleading way to show a difference in data using a chart?
500
(70)=N (6.4)=M (3.6)=SD (_) = SE
What is .43
500
=STDEV(of data set)/(SQRT(n))
What is the equation to calculate standard error in excel?
500
The difference between Reliability and Validity
Reliability-what consistently happens Validity- is what you want to happen