Please help using "R" or any other statistics software.

Question 10 1 pts Download the file class.csv @(comma separated text file) and read the data into R. Then calculate the standard deviation of the variable exam1 using the function sd(). Round your answer to 4 digits after the decimal point.students exam1 exam2 exam3 homework final Anne Teak 85 80 94 83 89 Barry Cade 94 100 100 100 100 Bill Board 86 91 63 80 61 Carrie Oak 61 81 67 78 82 Dan Druff 57 64 52 50 53 Don Key 75 66 95 74 74 Ella Vader 84 72 77 88 84 Gene Pool 100 89 83 93 83 Howie Doo 73 66 93 75 70 Jo King 55 69 83 73 86 Lou Pole 53 58 81 59 59 Molly Kueh 100 87 72 81 77 Paige Turn 98 100 100 100 100 Raynor Sch 70 73 62 82 60 Warren Pei 71 71 64 53 78