The mean is the most common measure of center. it is what most people think of when they hear the word "average". however, the mean is affected by extreme values so it may not be the best measure of center

What is it called when countries build lots of weapons to store and them in case of a war?

Brainliest will be given is conflict unavoidable among israel and its arab neighbors? why or why not? could stronger economic ties between israel and its arab neighbors reduce conflict? why or why not? what evidence supports your positions?

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.