Answer:
Explanation:
A t-test is a type of inferential statistic used to determine if there is a significant difference between the means of two groups, which may be related in certain features. The t-test is one of many tests used for the purpose of hypothesis testing in statistics. Calculating a t-test requires three key data values.
A is the answer im pretty sure
Involuntary and the brain, because the stem controls involuntary reactions
Here you are! I hope it helps, and also for the ones I put a red ‘x’ it depends on how you round it.
