A random sample of 34 participants in a Zumba dance class had their heart rates measured before and after a moderate 10-minute workout. The following data correspond to the increase in each individual's heart rate {in beats per minute): 53 65 46 4? 53 49 40 49 39 30 59 63 52 43 45 56 4? 63 3? 49 46 52 61 60 65 56 51 49 69 66 ?l 66 43 44 Round your answers to two decimal places. a. What is the point estimate of the corresponding population mean? I = n beats per minute b. Make a 95% condence interval for the average increase in a person's heart rate after a moderate 10-minute Zumba workout. n to n beats per minute Please view the following video before answering this question. Degrees of Freedom The degrees of freedom is the O d. all of the above. O e. only b and c. O a. proportion of individuals who provided data for free. O b. number of observations that can be chosen freely. O c. sample size minus 1