What is important to understand about differences between variables? Select one:

Question

What is important to understand about differences between variables? Select one: a. Random studies can be undertaken. b. Causal inferences can be made. c. Relationships can be established. d. Relationships between variables can be significant. Compared to the .05 level of significance, the .01 level of significance: Select one: a means a perfectly normal distribution. b. more flexible meaning a higher probability of the obtained difference being a result of sampling error. c. stricter, meaning a lower probability of the obtained difference being a result of sampling error. d. a means a skewed distribution. At P= .01 a mean deference m a sampling distribution occurs. _____ Select one: a. by sampling error more than 99 times in every 100 mean differences. b. very frequently by sampling error. c. by sampling error once in every 100 mean differences. The level of probability at which the null hypothesis can be rejected with confidence is known as the

Explanation / Answer

Q4. c. Relationships between variables can be significant.

Q5. c. Stricter, meaning a lower probability of the obtained difference being a result of sampling error.

Q6. c. by sampling error once in every 100 mean difference.

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