THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
An airline is considering changing the color scheme of its planes' interiors.A focus group of 220 people was asked which color scheme they preferred.Of those who expressed a preference,87 preferred the new color scheme,while 121 preferred the old.
-For a random sample of 250 observations,the skewness of the data was calculated to be -0.25,while the kurtosis was calculated to be 3.25.Is there sufficient evidence to reject the null hypothesis of normality for this data?

Question

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The Answer of THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
An airline is considering changing the color scheme of its planes' interiors.A focus group of 220 people was asked which color scheme they preferred.Of those who expressed a preference,87 preferred the new color scheme,while 121 preferred the old.
-For a random sample of 250 observations,the skewness of the data was calculated to be -0.25,while the kurtosis was calculated to be 3.25.Is there sufficient evidence to reject the null hypothesis of normality for this data?