Select ALL the correct answers. A company is testing a new protein shake which they claim works better than their existing brand in improving an athlete's performance.
The company selected 60 athletes from a training camp database, and divided them into three groups. The ages for the groups were
16 to 20 years, 21 to 25 years, and 26 to 30 years. In each group, half of the subjects were asked to use the new protein shake for a month, and
the other half were asked to use the company's existing brand for a month. The subjects were not informed about which protein shake they
would be using
Which statements about this study are true?
1.The study uses random sampling.
2.The study does not use a control group.
3.The study uses blocking to reduce variability from known factors.
4.The study uses blocking on the basis of gender.
5.The study uses a repeated measure design to reduce variability from unknown factors.

there can be more than one

Juwana was turned down for a car loan by a local credit union she thought her credit was good what should her first step be

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Transactions on april 1 of the current year, andrea byrd established a business to manage rental property. she completed the following transactions during april: opened a business bank account with a deposit of $45,000 from personal funds. purchased office supplies on account, $2,000. received cash from fees earned for managing rental property, $8,500. paid rent on office and equipment for the month, $5,000. paid creditors on account, $1,375. billed customers for fees earned for managing rental property, $11,250. paid automobile expenses for month, $840, and miscellaneous expenses, $900. paid office salaries, $3,600. determined that the cost of supplies on hand was $550; therefore, the cost of supplies used was $1,450. withdrew cash for personal use, $2,000. required: 1. indicate the effect of each transaction and the balances after each transaction: for those boxes in which no entry is required, leave the box blank. for those boxes in which you must enter subtractive or negative numbers use a minus sign. (example: -300)