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Gekata [30.6K]
3 years ago
14

What is the average of the integers from 25 to 41?

Mathematics
1 answer:
Archy [21]3 years ago
7 0
The average<span> of the terms of a contiguous subsequence of any arithmetic progression is the </span>average<span> of the first and last terms. To see this, notice that if you remove </span>25<span> and </span>41<span> from your sequence, then the </span>average<span> of the remaining terms is still given by the </span>average<span> of the extreme terms 26+402=33 .</span>
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HELP ASAP 10 POINTSSSS
dlinn [17]
Answer:
Y= -4 :)

Steps:
Apply rule
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Simplify
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7 0
2 years ago
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ANSWER PLZ QUICK AND FAST
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3 years ago
Find the critical value of x2 based on the given information H1 &gt;3.5 n=14 a=0.05
egoroff_w [7]

Answer:

The degrees of freedom are given by:

df = n-1=14-1=13

The significance level is \alpha=0.05 and then the critical value can be founded in th chi square table we need a quantile that accumulates 0.05 of the area in the right tail of the distribution and for this case is:

\chi^2_{\alpha}= 22.362

And if the chi square statistic is higher than the critical value we can reject the null hypothesis in favor of the alternative.

Step-by-step explanation:

We have the followign system of hypothesis:

Null hypothesis: \sigma^2 \leq 3.5

Alternative hypothesis: \sigma^2 >3.5

The degrees of freedom are given by:

df = n-1=14-1=13

The significance level is \alpha=0.05 and then the critical value can be founded in th chi square table we need a quantile that accumulates 0.05 of the area in the right tail of the distribution and for this case is:

\chi^2_{\alpha}= 22.362

And if the chi square statistic is higher than the critical value we can reject the null hypothesis in favor of the alternative.

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