Ask question

Ask question

All categories

3 years ago

9

Jill is calculating the standard deviation for her test grades. Mrs. Brown tells her that she did not take into account the curv

e on any of her grades and she needs to add 5 points to each grade. What is her new standard deviation? A) -2.204 B) 3.304 C) 5.804 D) 8.304

1 answer:

AlexFokin [52]3 years ago

8 0

B is the answer. I hope this helps.

You might be interested in

The population of a town increased by 10% per year in 2009, 2010, and 2011. If the population of the town at the beginning of 20

natta225 [31]

So, 10% of 40,000 is 4,000 then we add up 40,000 and 4,000 and get 44,000. Then we need to know how much is 10% of 44,000 and it is 4,400. 44,000+4,400= 48,400 and then we just need to repeat this one more time. 48,400+4,840(10% of 48,400)= 53,240. That is the answer))))

3 0

2 years ago

PLSSS !!! Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Tog

just olya [345]

The first one is 91.66666666667

The second one is 18.3333333333

3 0

3 years ago

Each grandchild has 8 children how many great gran children do mr. And mrs.Fisk have

krok68 [10]

How many grandchildren do they have?

6 0

3 years ago

Solve for x.<br> -5x + 12x - 8x = -24<br> x = _________a0

hichkok12 [17]

Answer:

x=24

Step-by-step explanation:

-5x+12x-8x=-24

Add like terms

12x-13x=-24

-x=-24

divide by 1

x=24

5 0

3 years ago

Which expression is equivalent to 3^2-7?

Hunter-Best [27]

3 squared becomes 9. 9-7 equals 2, which is the final answer.

4 0

3 years ago