3. Find the Mean, Median, Variance and Standard deviation for the following data: Class 10 – 20 20 – 30 30 – 40 40 – 50 50 – 60 60 - 70 Interval Frequency | 25 45 70 62 22 26

Q: xp X = 49

A:

Q: determine the value of 25P2.

A:

Q: please answer 35

A: The given differential equation is       3y’’’ + 5y’’ + y’ - y = 0  . . . . . . . . . . . . (1)…

Q: 60 30

A: The Sine rule: asinA=bsinB=csinC   Given:

Q: 30x + 25 = 85

A: The given equation is 30x + 25 = 85.

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: Answer 11

A:

Q: 323four-211four=?

A:

Q: Answer 20

A:

Q: JUST ANSWER THE D

A:

Q: 374+                 =380

A:

Q: Please answer (D) on this page.

A: In question data is given :  True positive (TP) = 28 False Positive (FP) = 23 True negative (TN) =…

Q: 16cups=?qt

A: We will solve the problem

Q: Answer 2

A:

Q: 12x=200

A: Given: The equation 12x=200. To find: The value of x.

Q: Can you answer D plz

A: We need to determine which of the sales, 170 CDs or 200 CDs, yields a higher revenue.

Q: 52x=130

A: 52x=130

Q: Rufus collected 18 pounds of aluminum cansto recycle. He plans to collect an additional 2pounds each…

A: Explanation of the answer is as follows

Q: 3x+5=456

A: The given equation is