Which term refers to the frequency anticipated in a category if the data perfectly represents the null hypothesis?
Answer: Expected frequency
Mathematics
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Add or subtract. Express the answer as a mixed number.-6 + 15
A. 8
B. 9
C. 8
D. 7
Mathematics
Divide by moving the decimal point the appropriate number of places to the left.0.93 ÷ 100
A. 93 B. 930 C. 0.0093 D. 0.093
Mathematics
y² = 12x
Find the directrix.
Mathematics
Use the distributive property to simplify.2x(x + 7y + 5z)
A. 2x2 + 14xy + 10xz B. 2x + 14y + 10z C. 2x2 + 7y + 5z D. 2x2 - 14xy - 10xz
Mathematics