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mario62 [17]
3 years ago
6

Obtaining a measure of intelligence from a group of college students would likely yield a somewhat normal distribution (that is,

there shouldn't be any extreme outliers). What would be the best measure of central tendency to use in this example?A. Median.B. Any of the three measures of central tendencC. MeanD. Mode
Mathematics
1 answer:
ki77a [65]3 years ago
7 0

Answer:

C. Mean

Step-by-step explanation:

We have been given that obtaining a measure of intelligence from a group of college students would likely yield a somewhat normal distribution (that is, there shouldn't be any extreme outliers).

We know that median is best measure of central tendency with extreme outliers, while mean is the best measure of central tendency when the data is normally distributed.

Mode is used when data are measured in a nominal scale.

Since the measure of intelligence from a group of college students yield a somewhat normal distribution, therefore, mean will be the best measure of central tendency.  

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State the property that justifies the statement: If 4x + 9 = 15 and X=2y + 1,
GREYUIT [131]

Answer:

Substitution property of equality

Step-by-step explanation:

Given

4x + 9 = 15 and x = 2y + 1

Then

4(2y + 1) + 9 = 15

Required

State the property

From the list of options, (d) answers the question.

This is so because:

Substitution property of equality states that

If a = b then b = a

In other words, both can replace one another.

So if x = 2y + 1, then 2y + 1 can be substituted for x in 4x + 9 = 15

So:

4x + 9 = 15  becomes

4(2y + 1) + 9 = 15

<em>Hence, it is substitution property of equality</em>

6 0
3 years ago
A blueprint for a house has a scale factor = 10. A wall in the blueprint is 8 in. What is the length of the actual wall?
oksian1 [2.3K]

Answer: 6.67 feet (check to see if you made a typo)

Step-by-step explanation:

if the scale factor is ten than we multiply 8 by 10

8 * 10 = 80

important to remember this is 80 INCHES not 80 FEET

to convert 80 inches into feet, we divide by 12 because there are 12 inches in a foot

80/12 = 6.67 feet

check to make sure that the first option is actually 6.67 inches because it would make more sense for it to be in feet

7 0
3 years ago
Currently going through a test
Varvara68 [4.7K]

Answer:

Step-by-step explanation:

Take a crack at number one. It looks good to me.

5 0
3 years ago
Read 2 more answers
Can someone help me ​
frozen [14]

Answer: A/D

Step-by-step explanation:

3 0
3 years ago
A company makes greeting cards and their research shows that that price and demand are related linearly: p=mx +b.They know that
musickatia [10]

Answer:

p = -0.05m + 22

Step-by-step explanation:

As given in question,

The relation between the price and demand can be given by,

  • p=mx +b

where is p is price and x is demand.

Since in order to sell 300 cards the price has to be fix at $7.

So,

  7 = 300m+b <u>          </u> (1)

And for every additional card they need to drop the price by $0.05.

So,

7-0.05 = 301m+b

=>6.95 = 301m + b<u>           </u> (2)

Subtracting equation (1) from equation (2), we will have

6.95 - 7 = 301m - 300m

=>m = -0.05

By putting the value of m in equation (1), we get

7 = 300.(-0.05)+b

=> b = 22

So, the linear equation that show the relation between price and demand is given by

p = -0.05m + 22

4 0
4 years ago
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