Answer:
Correlation coefficient for the data in the table was found to be 0.93
Step-by-step explanation:
You have to find the percentage of calculators that are defective. to do this you do 6/900. Which equals 0.006666, you convert it to a percent by moving the decimal point 2 to the right which is 0.6666%, then you round to the nearest tenth as instructed in the question and you get 0.6%
Add the two ends together and divide by 2:
50 + 60 = 110
110/2 = 55
The midpoint is 55