Module 12 - Quiz 2

Manufacturer wanted to confirm whether average weight of sugar is less than or equal to 200 gm in 1000 gm packet. If it is more then it will be rejected by FDA. The alternative hypothesis is

• u >200

• u >= 200

• u <=200

• u <200

Null Hypothesis is labeled as ________.

• Ho

• Ha

Shoppers Stop wants to confirm whether average sell per customer is greater than or equal to Rs 5000. If not then they will declare discount offers on product. This is an example of _____

• Lower Tail Testing

• Upper Tail Testing

• Two Tail Testing

• None Of the Above

If the sample size is more than 30 and population standard deviation is known then __ is used.

• Z Test

• T Test

Upper Tail Z value for 90% Confidence Interval is ____

• -1.645

• +1.645

• -1.282

• +1.282