Researchers use a test statistic known as the p-value to discern whether the event falls below the significance level; if it does, the result is statistically significant. The p-value is a function of the means and standard deviations of the data samples.
Directions. 1  Heat oven to 400Â° F. Pierce each sweet potato several times with the tines of a fork. 2  Place the sweet potatoes on a rimmed baking sheet lined with foil. 3  Bake until tender, about 45 minutes. 4  Make a slit in the top of each sweet potato. 5  Top with 1 tablespoon of butter and season with the salt and pepper.
1 Spray a baking sheet with cooking spray. 2  Arrange sweet potato slices on the baking sheet. 3  Brush with 1/2 the butter. 4  Mix the sugar and cinnamon in a small bowl, and sprinkle 1/2 over the potatoes. 5  Bake 15 minutes in the preheated oven.