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MAXImum [283]
3 years ago
14

Ugh idkplease help ASAP

Mathematics
1 answer:
Travka [436]3 years ago
7 0
12/23 = 0.5217 = 52%
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Can someone please explain it please: The jones family paid £1890 for their holiday with shark tours after a 12.5% surcharge was
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1680+12.5%1680= 1890

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A garden is going to be built in the city park in the shape of a parallelogram with a rectangular walkway through it. The garden
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6 0
3 years ago
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This my last one help
Lerok [7]

Answer:

A2 = 120

A3 = 60

A5 = 60

A6 = 120

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3 0
3 years ago
Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take
Ipatiy [6.2K]

Answer:

a) r = 0.974

b) Critical value = 0.602

Step-by-step explanation:

Given - Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both test and the results are give below

Test A | 64 48 51 59 60 43 41 42 35 50 45

Test B |  91 68 80 92 91 67 65 67 56 78 71

To find - (a) What is the value of the linear coefficient r ?

             (b) Assuming a 0.05 level of significance, what is the critical value ?

Proof -

A)

r = 0.974

B)

Critical Values for the Correlation Coefficient

n       alpha = .05          alpha = .01

4           0.95                       0.99

5           0.878                     0.959

6           0.811                       0.917

7           0.754                      0.875

8           0.707                      0.834

9           0.666                      0.798

10          0.632                      0.765

11           0.602                      0.735

12          0.576                       0.708

13          0.553                       0.684

14           0.532                       0.661

So,

Critical r = 0.602 for n = 11 and alpha = 0.05

6 0
3 years ago
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