Which of the following hypotheses is a null hypothesis? Group of answer choices There is no difference in the monthly grocery bills of families with one child and families with two children Grocery bills vary according to the number of meals eaten outside the home Families with two children have significantly higher grocery bills than families with just one child There is a relationship between grocery bills and the number of people in a household The mean age in a household is predictive of the amount of money sent on food each month

Question

Mathematics

Eleanor Wells

19 February, 23:21

Which of the following hypotheses is a null hypothesis? Group of answer choices There is no difference in the monthly grocery bills of families with one child and families with two children Grocery bills vary according to the number of meals eaten outside the home Families with two children have significantly higher grocery bills than families with just one child There is a relationship between grocery bills and the number of people in a household The mean age in a household is predictive of the amount of money sent on food each month

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Casey Nichols · Answer 1

The following hypotheses is a null hypothesis:

There is no difference in the monthly grocery bills of families with one child and families with two children.

Step-by-step explanation:

In inferential statistics, it is a null hypothesis because it is assuming to be true until evidence indicates otherwise, it is a general position without relationship between the two measured phenomena (one child and two children), testing (accepting, approving, rejecting, or disproving), concluding that there are not reasons for believing that there is a relationship between two phenomena and gives precise criteria for rejecting the null hypothesis within a confidence level.