Answer:
60
Step-by-step explanation:
It would be 70r if you are using distributive property
Answer:
1<x≤3
Step-by-step explanation:
The t-value is a ratio of the difference between the mean of the two sample sets and the variation that exists within the sample sets. ... Higher values of the t-value, also called t-score, indicate that a large difference exists between the two sample sets.
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