Sugary cookie company has two different manufacturing plants. company officials want to test whether each plant fills the bags with the same number of ounces. a random sample of cookie bags from plant a had a mean of 24.7 ounces in each bag. a random sample from plant b had a mean of 23.2 ounces. they randomized the data over 100 trials, and the difference of means for each trial is shown in the dot plot below. what can sugary cookie company conclude from this study? a dot plot with the values of negative 2.5, negative 2.0, negative 1.5, negative 1.0, negative 0.5, 0.0, 0.5, 1.0, 1.5, 2.0, and 2.5 with frequencies of 3, 6, 9, 12, 0, 9, 8, 5, 1, 0, and 5 respectively.
the difference is significant because a difference of 1.5 is not very likely.
the difference is significant because a difference of 1.5 is very likely.
the difference is not significant because a difference of 1.5 is very likely.
the difference is not significant because a difference of 1.5 is not very likely.