The TO test scores of 74 seventh-grade girls in a Midwest school district is given . 115 / 111 97 \112 / 104 / 106\\ |109 / 113 / 128 128 |18 | 113 \...

Please find the attached file with the question in it. I believe the answer to the first part is the second option but I'm not certain.

The TO test scores of 74 seventh-grade girls in a Midwest school district is given .115 / 11197\112 / 104 / 106\\|109 / 113 / 128128|18 | 113\ 124|127136|106123\124126| 116127|1997\102\\|110\120\103|115\93123119|110110| 107\\105|10511090114\106114\10010489\10291\\114 / 1141103|105|111/ }\108 / 130| 1201321 11\128|11811986107\100`111 / 1031071 12| 107 / 103\\| 986 \ 112 / 112\93( a) These 74 girls are an SR.S of all seventh- grade girls in the school district . Suppose that the standard deviation of IQ scoresin this population is known to be a = 1 1 . We expect the distribution of IQ scores to be close to Normal . The distribution 's*Stemplot is given .8 | 699 / 0 1 3 39| 67 7810 | 0 0 2 2 3 3 3 3 4 410| 5 5 5 6 6 67 7 7 7891 1 / 00 0 0 1 1 1 1 2 2 2 2 3 3 3 4 4 4 41 1 / 5 5 68 89 9 912 / 0 0 3 3 4 412 / 67 7 8 8 813 / 0213 / 6Select the explanation that best answer's whether or not there are departures from Normality .There is no departures from Normality because the data looks approximately left - skewed .There is no departures from Normality because the data looks approximately bell- shaped .There is a departure from Normality because the data looks approximately uniform .There is no departures from Normality because the data looks approximately right - skewed .( b) Estimate the mean TO score for all seventh-grade girls in the school district , using a 98% confidence interval . Select ananswer choice .0 107.75 to 1 13.70 109.09 to 1 12.370 108. 22 to 1 13.240 107 . 44 10 1 14.02