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Bezzdna [24]
2 years ago
10

Consider the following sample data set of 20 numbers.

Mathematics
1 answer:
Vsevolod [243]2 years ago
7 0

The mean = 28.55, while the standard deviation is 13.16

1. The histogram is an attachment

<h3>How to calculate for the mean of the data set</h3>

We have the following numbers

24 30 4 42 40 26 23 36 12 45 29 21 34 16 47 28 32 54 19 9

The sum of these numbers is given as

571

The total numbers = 20

The mean = 571/20

= 28.55

<h3>2 =  How to find the standard deviation</h3>

=  (24 - 28.55)2 + ... + (9 - 28.55)/20 - 1

=  3292.95/19

=  173.31315789474

s =  √173.31315789474

=  13.164845532506

Read more on mean and standard deviation here:

brainly.com/question/26941429

#SPJ1

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A set of 6 art books costs $241.25. A copy of one of the books, bought separately, costs $38.25. About how much less is the cost
kumpel [21]

The cost of the 6 books if you buy the set is $11.75 less.

The given parameters:

  • <em>Total number of books, n = 6</em>
  • <em>Cost of the books, c = $241.25</em>
  • <em>Cost of one book, = $38.25</em>

The total cost of the 6 books when bought separately is calculated as follows;

Cost = 6 x $38.25

Cost = $229.5

The difference in price is calculated as follows;

= $241.25 - $229.5

= $11.75

Thus, the cost of the 6 books if you buy the set is $11.75 less.

Learn more about cost price here: brainly.com/question/19104371

3 0
3 years ago
2. Starting at a fixed time, each car entering an intersection is observed to see whether it turns left (L), right (R), or goes
jasenka [17]

Answer:

Natural numbers (integers greater than zero)

X = 3,  5,  4,  4,  3

Step-by-step explanation:

The least number of cars that can be observed in this experiment is 1, if the first car turns left. On the other hand, the experiment could go on forever if no car ever turns left, thus the highest number of cars approaches infinite.

The possible values of X are integers greater than zero, which are known as the Natural numbers.

If X = number of cars observed, simply count the number of letters in each outcome for the value of X:

Outcome = RRL, AARRL, AARL, RRAL, ARL

            X = 3,  5,  4,  4,  3

7 0
3 years ago
2 Points
weqwewe [10]

Answer:

12

Step-by-step explanation:

An isosceles triangle are three sides of two sides being equal in lengths.

If that is the case, the two opposite slanting sides which are equal, must be longer. Invariably, the third side is 12.

5 0
3 years ago
What is the volume of a cylinder that has the same base and height dimensions as the cone shown below? Use 3.14 for pi the base
Zarrin [17]
Answer: I assume the radius is 1/2 the base of 6 in.

r = 3 ft
h = 10 ft
s = 10.4403 ft
V = 94.2478 ft³
L = 98.3976 ft²
B = 28.2743 ft²
A = 126.672 ft²


r = radius
h = height
s = slant height
V = volume
L = lateral surface area
<span>B = base surface area </span>
A = total surface area
π<span> = pi = 3.14159</span>
<span>√ = square root</span>
8 0
3 years ago
Multiply: (6x - 1)(6x +1)
Salsk061 [2.6K]
I’m not positive but i think it’s 36x^2 -1
4 0
3 years ago
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