, 22.06.2019 20:20 sosa71

The data to represent average test scores for a class of 16 students includes an outlier value of 78. if the outlier is included, then the mean is 84. which statement is always true about the new data when the outlier is removed?

Another question on Mathematics

Mathematics, 21.06.2019 13:30
Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately$2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now \$2,984, what can she conclude at the 95% confidence level?