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2 years ago

What is the Range of the data set? 85, 90, 100, 90, 25, 90

Mathematics

2 answers:

zheka24 [161]2 years ago

7 0

Answer:

Step-by-step explanation:

Subtract the smallest value from the largest value so 100 - 25 = 75

blsea [12.9K]2 years ago

5 0

Answer:

Step-by-step explanation:

100-25=75

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Zak takes 3 steps for every 2 steps Rich takes. How many steps will zak take if rich takes 18 steps? Explain how you found the a

vodka [1.7K]

To solve this problem we can think of a rule of three.
Writing the rule of three we have:
3 ---> 2
x ----> 18
Clearing the value of x
x = ((18) / (2)) * (3) = 27
answer
zak will take 27 steps if rich takes 18 steps

7 0

3 years ago

Which function in Excel is used to perform a test of independence? a. T.TEST b. CHISQ.TEST c. NORM.S.DIST d. Z.TEST

denis23 [38]

Answer:

b. CHISQ.TEST

Step-by-step explanation:

Notation and previous concepts

A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"

The statistic is given by:

$\chi^2 = \sum_{i=1}^n \frac{(O_i-E_i)^2}{E_i}$

In order to calculate the p value we need to have in count the degrees of freedom , on this case $df=(rows-1)(#cols-1)$ . And we can calculate the p value would be given by:

$p_v =P(\chi^2 >\chi^2_{calc})$

But the correct comand is given by:

b. CHISQ.TEST(Actual range, Expected range)

We just need to put in one column the Observed values and in other the expectec values.

3 0

3 years ago

Okay hear this someone came into my shop and stole $100 without my knowledge they came back to the store and spent $70 in items

hodyreva [135]

You lost thirty dollars

4 0

2 years ago

Read 2 more answers

Need help finding D=___

lesya692 [45]

A straight line is 180 degrees and 144 is on a straight line. So, 180-144 which is 36. So, now we know 2 angles and the Degrees of a triangle is 180 degrees.
36+76+d= 180 D= 68

4 0

3 years ago

First to answer gets brainliest and 5 stars

Flura [38]

Answer:

180 ft^2

Step-by-step explanation:

larger box: 8*3*5 = 120

here we see that one side of the smaller box is unlabeled. but the total side length is 7, and the larger box is 3 long, so:

smaller box= (7-3)*3*5 = 60

total=120+60=180

4 0

2 years ago

Read 2 more answers

What is the Range of the data set? 85, 90, 100, 90, 25, 90​

What is the Range of the data set? 85, 90, 100, 90, 25, 90