**Question: Question 17: Physical Science Assessment test. **On a physical science assessment test, the scores of a random sample of 22 eighth grade students have a standard deviation of 22.7. This result prompts a test administrator to claim that the standard deviation for eight graders is less than 29. At the \[\alpha =0.10\], is there enough evidence to support the administrator claim?

## Statistics: Testing Hypothesis – #29539

**Question: **Refer to the baseball dataset provided on the author's website.

Over the last 10 years, the mean attendance per team followed a normal distribution with a mean of 2.25 million per team and a standard deviation of .70 million.

o Use a statistical software to compute the mean attendance per team for the 2009 season.

o Determine the likelihood of a sample mean this large or larger from the population.

**Question: **Refer to the baseball dataset provided on the author's website.

Over the last 10 years, the mean attendance per team followed a normal distribution with a mean of 2.25 million per team and a standard deviation of .70 million.

o Use a statistical software to compute the mean attendance per team for the 2009 season.

o Determine the likelihood of a sample mean this large or larger from the population.