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Dmitriy789 [7]
3 years ago
7

The numbers of words defined on randomly selected pages from a dictionary are shown below. Find the mean, median, mode of the li

sted numbers. 72 58 62 38 44 66 42 49 76 52 What is the mean? Select the correct choice below and ,if necessary ,fill in the answer box within your choice.(around to one decimal place as needed)
Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

Mean: 55.9

Median: 55

Mode: None

Step-by-step explanation:

First, find the mean by dividing the sum by the number of elements:

(72 + 58 + 62 + 38 + 44 + 66 + 42 + 49 + 76 + 52) / 10

= 55.9

Next, find the median by putting the numbers in order and finding the middle one:

38, 42, 44, 49, 52, 58, 62, 66, 72, 76

There is no middle number, so we will take the average of 52 and 58, which is 55.

Lastly, to find the mode, we have to find the number that occurs the most.

All of the numbers occur one time, so there is no mode.

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The first term and the common ratio of a G.P are respectively 3 and 1/2.write down the first five terms​
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

a =3 ;r  = 1/2

first term = 3

second term = 3*1/2 = 3/2

third term = 3/2 * 1/2 = 3/4

Fourth term = 3/4*1/2 = 3/8

Fifth term = 3/8 * 1/2 = 3/16

GP is: 3,3/2,3/4,3/8,3/16......

8 0
3 years ago
a bookstore has four boxes of books each box contains 20 books on Monday the book store sold 16 books how many books remain to b
vitfil [10]

Answer:64

Step-by-step explanation:

You have the other 3 box's with 20 left which is 60 so all you gotta do is 20-16 which is 4

6 0
3 years ago
The scores on an entrance exam to a university are known to have an approximately normal distribution with mean 65% and standard
emmasim [6.3K]

Answer:

The correct answer is - C. 24.1%

Step-by-step explanation:

Given:

mean μ = 65%

standard deviation δ = 7.1 %

solution:

Prob( X>70) = 1 - Prob(x<70)  

= P (x-μ/δ ≥ 70 -65/7.1)

= 1 - Prob( (70-65)/7.1)

= 1 - Prob ( z < 0.7042553)

= 0.24065

the percentage of students scoring 70 or more in the exam

= 24.065*100

= 24.1%

4 0
2 years ago
In a class of 25 students , 12 have taken in mathematics , 8 have taken mathematics but not biology . Find
lina2011 [118]

Answer:

I.4

ii.13

Step-by-step explanation:

....ur welcome........

8 0
3 years ago
Read 2 more answers
Which statement correctly describes the relationship between the graph of f(x)=x and the graph of g(x)=f(x)+5 ?
Anettt [7]
<h3>Answer: B) f(x) is translated 5 units up</h3>

Recall that y = f(x) since both are outputs of a function

Saying f(x)+5 is the same as y+5. So we're adding 5 to each y coordinate of each (x,y) point. A point like (1,7) turns into (1,12) after doing this shifting.

Doing this to every point shifts the entire f(x) curve 5 units up to get g(x)

5 0
3 years ago
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