Question 1 please

Remaining Time: 1 hour, 59 minutes, 45 seconds. bles Question Completion Status: ems - all Moving to another question will save this response. Question 1 of 8 > >> ructions Question 1 10 points Save Answer Volatility (variation) of investment rates is an important consideration for investors. The following data represent the rate of return (%) for some mutual funds for the past 12 years. Determine the 98% confidence interval for the population standard deviation. Use formula on review or formula page. (d.f. = n-1) 10.5 15.9 10.0 12.4 11.3 6.6 9.6 12.4 10.3 8.7 14.9 6.7 2.90 > MacBook Pro