Investors can now make stock trades online for as little as $7 per trade. Some suggest that

Question:

Investors can now make stock trades online for as little as $7 per trade. Some suggest that this will motivate investors to increase the percentage of stocks in their portfolios. Further, stocks as a percentage of an investor's portfolio may be related to age. To investigate, Dr. Merenick, professor of finance, selected a sample of 64 investors, and determined the percentage of stocks in their portfolios. The sample data is classified by the investors' age and reported below.

At the .05 significance level, can we conclude that there is a difference in the mean percentage of stocks owned between the various age groups?

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... Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...