can you please help me with these questions?

Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 2) Christine is currently taking college astronomy. The instructor often gives quizzes. On the past 2) seven quizzes, Christine got the following scores: 53 17 35 24 20 44 68 Compute the standard deviation s. A) 9731.6 B) 18.8 C) 11,859 D) 35 Provide an appropriate response. 3) Human body temperatures have a mean of 98.20 F and a standard deviation of 0.620. Sally's 3) temperature can be described by z= -1.8. What is her temperature? Round your answer to the nearest hundredth. A) 99.32.F B) 97. 08.F C) 96.4.F D) 95.14.F Use the empirical rule to solve the problem. 4) The amount of Jen's monthly phone bill is normally distributed with a mean of $66 and a standard 4 deviation of $8. What percentage of her phone bills are between $66 and $74? A) 34% B) 81.5% C) 99.99% D) 68% Solve the