A fund manager wants to know if the annual rate of return is greater for growth stocks (sample 1) than for value stocks (sample 2) . The fund manager collects data on the returns of growth and value funds. Below are the sample sizes and rank sums for the Wilcoxon rank-sum test. 
Because both sample sizes are at least 10, the sampling distribution of W can be approximated by the normal distribution with a mean and standard deviation of ________, respectively.
Definitions:
Demand Conditions
The factors affecting the desire of consumers to purchase a product or service, including price, income levels, and preferences.
Competitive Price-Searcher
A market participant who must examine prices set by competitors to determine their own pricing strategy due to a lack of fixed market price.
Future
A term referring to events that have not yet occurred or the time period in which these events will happen.
Market
A place or system where buyers and sellers interact to exchange goods, services, or information, determining prices through supply and demand.
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