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Liula [17]
3 years ago
12

In 2004 a football team scored 27, 19, 12, 20, 20, 26, 23, 29, 20, 17, 61, 30, and 31 points in their first 13 games. Find the m

ean and the standard deviation of the data. Identify the outlier, and describe how it affects the mean and the standard deviation. If necessary, round all the numbers to 1 decimal place.
Mathematics
1 answer:
miv72 [106K]3 years ago
8 0
After adding all the numbers together then dividing the sum by 13 I got 25.7 rounded to 26
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find two consecutive odd numbers such that the sum of the larger number and twice the smaller number is 27 less then four times
soldier1979 [14.2K]

N is an odd integer

The Next Larger is N+2

N+2 + 2N = -27 + 4N

3N + 2 = 4N - 27

0 = 4N - 27 - 3N - 2

0 = N - 29

N = 29

They are 29 and 31.

31 + 2(29) = 4(29) - 27

31 + 58 = 89 = 116 - 27  yes it works

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Fifth teen equal negative three a
BlackZzzverrR [31]
A= -5 is the correct answer
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Brittany was tracking the increasing temperature in the morning. At 8 a.m., it was 68 degrees Fahrenheit. At 10 a.m., it was 74
AysviL [449]
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4 0
3 years ago
For the sequence 3, 8, 13, 18, 23, ….: (i) Find recursive and non-recursive formulas. (ii) Prove the non-recursive formula using
Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

Given is the sequence 3, 8, 13, 18, 23, ….:

We find that this is a geometric sequence with each term added with 5 to the previous term

Hence recursive formula is a_n =a_{n-1} +5

Non recursive formula:

a_n =a_{n-1} +5=a_{n-2} +2(5)\\=a_{n-3} +3(5)-...\\=a_{n-(n-1)} +5(n-1)\\=a_1+(n-1)5\\=3+5n-5\\=5n-2

iii) Start with 3.

Add 5 and write as 2nd term

Take the resulting term and add 5 and mark as 3rd term

Repeat this m times.

7 0
3 years ago
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