In 10 weeks, the value of bob treatmans day trading account decreased by $500. what was the average weekly change in the value of the account expressed as a signed number ?
$48 per week
$50 per week
$-52per week
$-56 per week

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.