significane

Please help me. I am so lost. I have data that is days above a certain temperatures every year from 1948-2019. So basically something like: 1948 36 1949 31 1950 36 1951 34 1952 36 1953 35 and so on. To find the trend I already did a least-squares linear regression and go that done. Now I...

I am given the following data: Observation Wage 1 $8.75 2 $10.00 3 $10.25 4 $6.50 5 $15.00 6 $10.00 7 $8.00 8 $7.50 9 $12.75 10 $9.25 From this I get a sample mean of 9.8. A standard deviation of 2.51. My problem is the following: Use proper notation, write the “null” and...