A company offers a daily list of stock picks to paid subscribers Its Track Record for TSE web page shows the prices of stocks it has recornmended (1) on the day the buy recommendation was made, and (2) on a subsequent day within the next week or two The accompanying table is a sample from these dat...

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A company offers a daily list of stock picks to paid subscribers. Its Track Record for TSE

Question:

A company offers a daily list of stock picks to paid subscribers. Its "Track Record for TSE" web page shows the prices of it has recornmended (1) on the day the "buy" recommendation was made, and (2) on a subsequent day within the next week or two. The accompanying table is a sample from these data, for November to December 2000. (Based on data from Active Trading Global.)
a. At the 0.05 significance level, do the data support the company's claim that, for bought and sold at the prices cited, their prices show an increase during the period?
b. Suppose the company recommends good stock buys, but leaves it up to the client to decide when actually to sell the Is the displayed data sufficient to support a claim that the actual clients of this company made money? Explain.

Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing...