STATISTICS! Please help me find the mean and standard devaluation from the picture below. The answer options are the same for both questions!

Answer options:
•1.88
•2.5
•5.26
•1.313

What is the slope of a line that is perpendicular to y = 3x + 1

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.