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Anastasy [175]
3 years ago
13

(02.04 MC)

Mathematics
2 answers:
Alexus [3.1K]3 years ago
7 0

Answer:

Step-by-step explanation:

The answer is C, the type of vehicle is a confounding variable.

borishaifa [10]3 years ago
3 0

Answer:

umm idk let me get back to you

Step-by-step explanation:

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One day, a person went to a horse racing area. Instead of counting the number of humans and horses, he counted 74 heads and 196
Alexus [3.1K]
Answer: B: The person counts 24 horses and 50 humans.
3 0
3 years ago
Read 2 more answers
PLEASE HELP ME ANSWER! im so desperate bro !!
sergey [27]

a)13

b) skewed

c) IQR

d)Sam's observation is correct

e)6.17

Step-by-step explanation:

Step 1 :

From the histogram we can infer that

0 to 2 texts has been sent by 1 student

2 to 4 texts has been sent by 3 student

4 to 6 texts has been sent by 4 student

6 to 8 texts has been sent by 4 student

8 to 10 texts has been sent by 5 student

Step 2:

a)

From step 1 , we can see that there are total of 17 students represented by the histogram

Step 3:

b)

This is a skewed histogram because we have all large values of students on the right of the histogram and smaller values on the left of the histogram.

In symmetrical histogram, there would be large values on the center and the smaller values on both sides.

Step 4:

c)

IQR would be better recommendation for this as this is a skewed histogram

Standard deviation would be recommended for a symmetrical histogram

Step 5:

d)

Total number of students is 17

Number of students who text between 8 to 10 messages is 5

Hence the students who text between 8 and 10 messages is 5/17

which is nearly 1/3 rd of the total students.

Hence Sam's observation is correct

Step 6:

e)

Mean amount of the texts = (1 * 3 + 3* 3 + 5*4 +7*4 + 9* 5) /17 = 6.17

6 0
3 years ago
Your car insurance comes due annually and generally costs about $1,500. You decide that you would like to set aside a monthly am
Volgvan

Answer:

$125

Step-by-step explanation:

Since there are 12 months in a year, divide the total bill by the total number of months.

1500/12 = $125

5 0
3 years ago
Graph the equation y = k x + 1 if it is known that the point M belongs to it:<br> M (2, −7)
Elenna [48]

Answer:y = k x + 1

(1,3)

3 = k(1) + 1

2 = 1k

k = 2

Step-by-step explanation:

7 0
2 years ago
Hi, my question is in the picture below :)
galina1969 [7]
I hope this helps you

8 0
3 years ago
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