can you please help me with this? thanks in advance

Find (a) the point estimate of the population parameter u, and the (b) standard deviation for each of the following sets of data. 3. Weights of packed ground coffee in g 350 346 350 346 350 348 351 351 340 347 344 340 340 340 345 347 355 348 351 355 347 352 356 352 347 348 347 347 347 347 346 347 348 351 347 348 348 348 348 349 348 349 348 348 349 347 349 349 349 349 349 349 348 346 349 In a practice, this is the time in seconds, run by Lydia for a 100-m 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 15 13 12 12 12 12 15 11 15 15 15 15 15 16 17 16 15 16 16 18 1H 17 1 1 16 15 14 16 5. Percentage of children who watch TV before bedtime 70 67 58 69 62 70 62 59 77 59 52 79 39 59 42 60 40 56 66 60 40 57 57 72 54 52 67 62 59 71 81 49 45 78 69 6. Percentage of parents in favor of including cultural values in the mathematics curriculum