In a mathematics class, half of the students scored 42 on an achievement test. With the exception of a few studen who scored 78, the remaining students scored 53. Which of the following statements is true about the distribution
scores?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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?

If rt is greater than ba, which statement must be true ?