N The Fast Food Example From The Start Of This Chapter, Researchers Want To Test Whether The Average Number Of Fast Food Meals Eaten Per Week By Modern Families Is Larger Than It Was In The 1990s, When It Was 3.5. Suppose That They Know The Population Standard Deviation Is σ = 0.6, The Sample Size Is 100, And The Sample Mean Was X = 7.3

n the fast food example from the start of this chapter, researchers want to test whether the average number of fast food meals eaten per week by modern families is larger than it was in the 1990s, when it was 3.5. Suppose that they know the population standard deviation is σ = 0.6, the sample size is 100, and the sample mean was x = 7.3

- August 19, 2022 - Edwin Tunner

In the fast food example from the start of this chapter, researchers want to test whether the average number of fast food meals eaten per week by modern families is larger than it was in the 1990s, when it was 3.5. Suppose that they know the population standard deviation is σ = 0.6, the sample size is 100, and the sample mean was x = 7.3

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