Solved

An Experiment Was Done to Look at Whether There Is

question 12

Multiple Choice

An experiment was done to look at whether there is an effect of the number of hours spent practising a musical instrument and gender on the level of musical ability.A sample of 30 (15 men and 15 women) participants who had never learnt to play a musical instrument before were recruited.Participants were randomly allocated to one of three groups that varied in the number of hours they would spend practising every day for 1 year (0 hours,1 hours,2 hours) .Men and women were divided equally across groups.All participants had a one-hour lesson each week over the course of the year,after which their level of musical skill was measured on a 10-point scale ranging from 0 (you can't play for toffee) to 10 ('Are you Mozart reincarnated?') .An ANOVA was conducted on the data from the experiment.Looking at the output below,which of the following sentences is correct?

Definitions:

Profitability

A metric or concept that measures the ability of a company or business to generate income relative to its revenue, assets, or shareholders' equity, typically expressed as a percentage.

Debt to Stockholders' Equity Ratio

A financial metric that shows the balance between the debt and equity shareholders have employed to fund a company's assets.

Gross Profit Ratio

The Gross Profit Ratio is a financial metric that compares gross profit to net sales, expressed as a percentage, indicating the efficiency of a company in managing its production and labor costs.

Rate of Return to Stockholders

The percentage of return investors receive from their shares in a company, including dividends and stock price appreciation.