STATS FINAL FLASH CARD (THIS ONE!!!!)

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6 Terms

1
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what is the difference between an independent variable and dependent variable?

An independent variable is manipulated to observe its effect on a dependent variable, which is measured in response to changes in the independent variable.

2
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Increasing confidence level increases ________-

margin of error

3
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decreasing confidence level decreases ______

margin of error

4
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two tailed critical values from the standard of norm table are:

2.576 for a = 0.01

1.96 for a = 0.05

1.645 for a = 0.10

5
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confidence intervals to calculate

99% = 2.576

95% = 1.96

90% = 1.645

6
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an F stat must always be _____

positive