The registered nurses sampled in a study had 30 to 45 years of work experience. What is true about the range in this statement? Select all that apply. The range Group of answer choices Can be used to show variability when the means are the same. Can be calculated by subtracting the lower number of years from the higher number of years. Is a measure of variability. Can be considered in judging the "typicalness" of a sample. Is a stable measure of variability from one sample to another.Which is true regarding descriptive statistics? Select all that apply. Group of answer choices Allow the researcher to predict whether findings can be applied to other populations. Identify whether the control or experimental groups are different. Are used to analyze data in some descriptive studies. Include measures of central tendency. Are used primarily to "describe the characteristics of the sample