A company claims that a new product increases weight gain over a 3-month period by 5 pounds, compared to the existing product. Samples are taken with the following summary statistics: Summary statistics: Column n Mean Variance Std. Dev. Std. Err. Median Range Min Max Existing 10 5 0.6666667 0.816496 0.2581989 5 2 4 6 New 10 10.3 0.6222222 0.788810 0.2494438 11 2 10 12 Assuming normality, what is the approximate test statistic

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Fill in the table with whole numbers to make 430 in five different ways