Assessment Task: Statistical Intervals A random variable of 25 packs of powdered milk showed a mean content of 237 grams with a standard deviation of 8.56 grams while a sample of 20 packs of another...

Assessment Task: Statistical Intervals

A random variable of 25 packs of powdered milk showed a mean content of 237 grams with a standard deviation of 8.56 grams while a sample of 20 packs of another brand of powdered milk showed a mean content of 240 grams with a standard deviation of 9.75 grams. Using a 0.05 level of significance, is there significant difference in the mean content of the two brands of powdered milk? Assumedvariances are equal.