Can someone help me solve the following? Also please elaborate. THANK YOU!!!

3. Find (a) the point estimate of the population parameter p. and the (b) standa deviation for each of the following sets of; data. 1. Scores in a long test in Science 73 75 36 32 35 33 33 30 92 32 35 30 33 34 36 90 33 90 73 33 '90 36 34 75 35 77 33 _ 35 90 35 33 33 36 33 34 36 92 ' 35 30 76 33 79 34 33 30 33 30 2. Lengths of seedlings in a plant box in cm - 3 3.6 12 10 3 10.5 3 10.6 3.6 10.5 7.4 6.4 12.2 6.5 _ 12 _ 6.3 _ 7.5 3 11 3.5 9.5 12 ' 11.5 12.5 10.4 7 6.3. 7 7 10.5 7 7 7 . 773.3 , 7 .. __ 175.5 12.5 7 7 12.5 324". L?" "1H '2 .'U' 1.1 10 I" 6.3 \"10.72" " '6 '" 6.5 10.3 6.3 6.3 In a practice, these are the times in seconds run by Lydia for a 100-111 race 15 12 16 12 15 15 15 16 14 13 14 14' 16 14 14 16 12 12 12 13 12 15 12 13 12 15 1'5 13 12 12 12 12 15 11 ' 15 15 15 15 15 15 :.! .r \".1118: ! 11315 ' if"; 11.1?! ESL". 1.116: ! 1! '2! 15 '16 16 . 13 13 17 .13 16 ~ 15 14 13 15