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4 years ago

Why might the military in 1914 try and discourage aborginal canadias from joining the war

Geography

1 answer:

Aleksandr [31]4 years ago

4 0

Answer:

Explanation: During the First World War, thousands of Aboriginal people voluntarily enlisted in the Canadian military. While the exact enlistment number is unknown, it is estimated that well over 4,000 Aboriginal people served in the Canadian forces during the conflict.

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3 years ago

ACT scores of a sample of UTC students are shown below. Student ACT Score A 22 B 28 C 20 D 21 E 28 F 23 G 26 a. Compute the mean

alisha [4.7K]

Solution :

a). Let x denotes ACT scores.

ACT scores = $\{ 22,28,20,21,28,23,26 \} ; n = 7$

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$=\frac{168}{7}=24$

Sample variance, $S^2=\frac{1}{n-1}\left(\sum x_i^2-n\overline x^2 \right)$

$=\frac{1}{6}(4098-7 \times 24^2)$

$=\frac{66}{6}$

= 11

b). To test whether or not variance of ACT scores of population (say $\sigma^2$ ) of the UTC students is significantly more than 8.

Consider the hypothesis :

$H_0: \sigma^2 \leq8$ vs $H_a: \sigma^2 >8$

It is a right tailed test and α = 0.05

We have

$x^2_{n-1} = \frac{(n-1)s^2}{\sigma^2}$

So test statics is

$x^2_7=\frac{(7-1)11}{8}$

$=\frac{6 \times 11}{8}$

= 8.25

Since our $\text{test statistics is less than the critical value }$ and it falls in a acceptation region, hence we fail to reject $H_0$ and conclude that variance is not greater than 8 significantly.

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3 years ago

How does the earth's surface get changed during rainfall

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Answer:

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Why might the military in 1914 try and discourage aborginal canadias from joining the war​

Why might the military in 1914 try and discourage aborginal canadias from joining the war