A company advertises that there are an average of 25 grams of potato chips in each bag of chips. A consumer group has collected a sample and wants to perform a test to see if the company is providing less than it advertises. H0: μ = 25 Ha: μ < 25 Which type of significance test should be used for this situation?

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A company advertises that there are an average of 25 grams of potato chips in each bag of chips. A consumer group has collected a sample and wants to perform a test to see if the company is providing less than it advertises. H0: μ = 25 Ha: μ < 25 Which type of significance test should be used for this situation?

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Everett Barker · Answer 1

one sample t-test will be appropriate in this case

Step-by-step explanation:

We are carrying out a hypothesis test of the mean with the population standard deviation being unknown. We shall estimate the population standard deviation with the sample equivalent, s in determining the value of the test-statistic.

Snowflake · Answer 2

A left-tailed test