\( 1 \leftarrow \) A set of data items is normally distributed with a mean of 70 and a standard deviation of 5 . Convert 70 to a z-score. \( \mathrm{z}_{70}=\square \) (Do not round until the final answer. Then round to the nearest hundredth as needed.)

When the results of a research study are statistically significant, the researcher's report will be automatically accepted for publication in a scientific journal. True

Which of the following is/are part of descriptive statistics? central tendency. variability. linear regression. correlation. all of the above.

F-tests and t-tests are usually used to determine whether the experimental groups are significantly different from each other at a certain alpha level. True False

Inferential statistics determine if we can make statements about the general population based on the sample. .True

A statement that the independent variable had no effect is called the alternative hypothesis. True False