All categories

3 years ago

If the variance of a data set if 6.25 what is the standard deviation

Mathematics

1 answer:

levacccp [35]3 years ago

8 0

Answer:

Variance= (Standard deviation)^2=

✓6.25=Standard deviation

✓(625/100)= Standard deviation

25/10= Standard deviation

2.5= Standard deviation

Step-by-step explanation:

You might be interested in

3. Define a variable, write an equation, and solve the problem. Carla began a

faust18 [17]

Answer:

Carla has been running 7 miles each day for 13 days.

Step-by-step explanation:

Carla ran 3 miles on her first day, 5 miles on her second day and then 7 miles each day onward.

Let the number of days she ran 7 miles each day = x

Total distance run by Carla = 3 + 5 + 7(x)

= 8 + 7x

If her log book shows that she has run total distance = 99 miles

Equation representing her total run will be,

8 + 7x = 99

7x = 99 - 8

7x = 91

x = $\frac{91}{7}$

x = 13 days

Therefore, Carla has been running 7 miles each day for 13 days.

3 0

3 years ago

Paige invested 1200 at an interest rate of 5.75% compounded quarterly. Determine the value of her investments in 7 years.

iragen [17]

Use the formula A=p(1+r)^n
where
A= value of investment
r= rate
n= time period
p= amount invested
in this question
r= 5.75% but compounded quarterly means divide this by 4
r= 23/1600
n=7*4
n=28
p= $1200
A=1200(1+23/1600)^28

A= $1789.54

Therefore the value of her investment in 7 years is $1789.54

4 0

3 years ago

(100 pts.)

ICE Princess25 [194]

Answer:

1260 is the correct answer

remember multiply them :)

Step-by-step explanation:

7 0

3 years ago

What is 1+2+3+⋯+2014+2015+2016

OleMash [197]

Answer:6,051

Step-by-step explanation:1+2+3+2,014+2,015+2,016

5 0

3 years ago

There are 80 students ont the team but only 16 students have birthdays in the summer. What percent of the students have have bir

tatuchka [14]

16/80 = 0.2 = 20% have birthdays in the summer

7 0

4 years ago