If you can help me with 1 through 6 using the table below for those questions

Calculate the 95% confidence interval and the 99% confidence interval for a sample of 81 where the population has a mean of 50 and a standard deviation of 6.

Calculate the 95% confidence interval and the 99% confidence interval for a population of 81 which has a mean of 50 and a standard deviation of 6.

Regression from Week 6:

1. Use the following data to perform a regression analysis.
   1. What is the null hypothesis?
   2. What is the alternative Hypothesis?
   3. What is the R²
   4. What is the regression equation?
   5. Is it significant? How can you tell?
   6. What is the forecast for month 13?

Month	Sales
1	132
2	131
3	134
4	140
5	141
6	142
7	144
8	143
9	146
10	145
11	148
12	148