In the table below ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the estimated regression equation âŷ = 0.1093+0.9304x (AAII website). Brokerage Speed Satisfaction Scottrade, Inc. 3.6 3.4 Charles Schwab 2.5 2.0 Fidelity Brokerage Services 3.4 2.9 TD Ameritrade 3.4 3.4 E*Trade Financial 3.0 3.2 Vanguard Brokerage Services 2.9 3.4 USAA Brokerage Services 2.9 2.5 Thinkorswim 3.7 3.3 Wells Fargo Investments 2.4 2.3 Interactive Brokers 2.9 3.1 Zecco.com 3.8 3.8 At the 0.05 level of significance, test whether speed of execution and overall satisfaction are related. Show the ANOVA table. What is your conclusion? Source Sum of Squares Degrees Mean Square F p-value of Variation (to 4 decimals) of Freedom (to 4 decimals) (to 2 decimals) (to 4 decimals) Regression Error Total
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
Chap 14.5 Q4
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