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koban [17]
3 years ago
12

The mean age of five children is 8 years

Mathematics
2 answers:
zimovet [89]3 years ago
5 0

Answer:

its 8

Step-by-step explanation:

alina1380 [7]3 years ago
3 0

Answer:

9

Step-by-step explanation:

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Sherelle and Venita find two bags of coins in their grandmother’s attic. Each girl selects a bag, takes a random sample of 20 co
S_A_V [24]

Answer:

Step-by-step explanation:

Hello!

The five-number summary comprehends the minimum and maximum values, the 1st and 3rd quartiles and the median.

1st step: is to arrange the data sets from least to greatest.

Sherelle:

26 39 56 58 60 62 65 66 66 68 71 72 72 73 74 75 81 83 84 85

Venita:

44 45 51 51 53 53 55 57 58 62 65 66 69 69 70 73 75 77 78 79

2nd step: To calculate each quartile you have to determine their position and then identify which observation sits in that position:

Quartile 1:

PosQ₁: n/4= 20/4= 5

Quartile 2 (Median)

PosMe: n/2= 20/2= 10

Quartile 3

PosQ₃: n*(3/4)= 20*(3/4)= 15

Since both samples have the same size, the 1st quartile will be the fifth observation of each sample, the median will be the tenth observation and the 3rd quartile will be the fifteenth.

Sherelle:

Q₁: 60

Me: 68

Q₃: 74

Minimum: 26

Maximum: 85

Venita:

Q₁: 53

Me: 62

Q₃: 70

Minimum: 44

Maximum: 79

I hope this helps!

3 0
4 years ago
Express the set x > 4 using interval notation.
IgorC [24]

Answer:

notation is the number 4

8 0
3 years ago
1• (a + 3) = a + 3<br> What is the property
Artist 52 [7]

Answer:

the commutative property because you’re not changing the way its form style, but of more like their former

6 0
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The slope of the line that passes through the point (-2, -4) and (-3, -8) is ______
Dmitrij [34]

Answer:

4

Step-by-step explanation:

We know ,

Slope = difference of y co ordinate / difference of x coordinate

=> m = -8+4/-3+2

=> m = -4/-1

=> m = 4

6 0
3 years ago
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What is a tangent line
Mashutka [201]
In geometry, the tangent line (or simply tangent) to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve
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