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JulijaS [17]
3 years ago
14

What is the mode of the following set? {21, 25, 21, 26, 29, 25, 21, 29, 25, 26, 23, 25}

Mathematics
2 answers:
wolverine [178]3 years ago
6 0

The mode of the given data set is 25

Step-by-step explanation:

Let us define mode first

"Mode is the most frequent value in the data set"

Given data set is:

{21, 25, 21, 26, 29, 25, 21, 29, 25, 26, 23, 25}

We have to see which value is repeated the most int he data set.

25 is the most repeated value in the data set.

Hence,

The mode of the given data set is 25

Keywords: Statistics, Mode

Learn more about mode at:

  • brainly.com/question/4522984
  • brainly.com/question/4550858

#LearnwithBrainly

Xelga [282]3 years ago
6 0

Answer:

its 25

Step-by-step explanation:

got it right on prepworks >:)

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A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 419 gram setting. It is
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Answer:

The calculated t- value = 1.09 > 3.19 at 0.025 level of significance

Null hypothesis is rejected

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Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given the mean of the Population(μ)  = 419 grams

The sample size 'n' =19

Given mean of the sample x⁻ = 412

Given variance of the sample S² = 784

                                                 S = √784 = 28

<u><em>Step(ii)</em></u>:-

<u><em>Null hypothesis: H₀</em></u>: There is no sufficient evidence to support the claim that the bags are underfilled.

<u><em>Alternative hypothesis: H₁:</em></u>

There is sufficient evidence to support the claim that the bags are underfilled.

Test statistic

                     t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }

                    t = \frac{412 -419}{\frac{28}{\sqrt{19} } }

                   t = -1.09

                 |t| = |-1.09|

<em>Degrees of freedom   ν = n-1 = 19-1 =18</em>

<em>t₀.₀₂₅ =  3.19</em>

<u><em>Final answer:</em></u><em>-</em>

The calculated t- value = 1.09 > 3.19 at 0.025 level of significance

Null hypothesis is rejected

There is sufficient evidence to support the claim that the bags are underfilled

                   

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