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If a data set is approximately normal with a mean of 67 and a sigma value of 7, will data be spread out?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
If a study is subject blind then...
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
Your height is 54 inches, and the mean is 58 inches with a standard deviation of 1.2. Your friends height is 60 inches. Who is relatively farther from the mean?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
Suppose that SAT mat scores for a year are approx. normal. With a mean of 510 and a sigma of 100. What is the probability that randomly selected score is greater than 710?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
Jackie is within 2 standard deviations of the mean. How much data is left in the data?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
What is the genreal rule for data that is approximately normal?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
What is a lurking variable?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
What is standard deviation?
5%
.025
yes, because the sigma value is a big number
an association used to debunk your experiment
The person receiving the treatment does not know which treatment he/she is getting
A measure of how spread out the data is
You
68-95-99.7
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