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Use the standard deviation values of the two samples to find the standard deviation of the sample mean differences.

Use The Standard Deviation Values Of The Two Samples To Find The Standard Deviation Of The Sample Mean Differences class=

Sagot :

The standard deviation of the sample mean differences is; 0.6898

How to find the standard deviation of the mean differences?

From online research, the sample size of the session regarding the number of people who will purchase the red box is; N₁ = 45

From online research, the sample size of the session regarding the number of people who will purchase the blue box is; N₂ = 60

Formula for standard deviation of the sample mean differences is;

σm₁ - σm₂ = √[(σ₁²/n₁) + (σ₂²/n₂)]

Thus;

σm₁ - σm₂ = √[(3.868²/45) + (2.933²/60)]

σm₁ - σm₂ = 0.6898

Read more about standard deviation at; https://brainly.com/question/475676

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