Lego Kits and Linear Regression Quiz

What is a major limitation of hand-drawn lines of best fit?

• They are suitable for business analysis.

• They are always accurate.

• They are consistent across different people.

• They vary slightly between individuals.

What is the first step in collecting data for the Lego kit activity?

• Selecting two themes or franchises.

• Choosing a random number of kits.

• Ignoring the piece count.

• Using sale prices for accuracy.

In Desmos, what does the slope 'M' represent in the line of best fit?

• The total cost of the Lego kit.

• The rate per piece in the kit.

• The number of pieces in the kit.

• The promotional price of the kit.

What does the y-intercept 'B' indicate in the context of Lego kits?

• The total number of pieces.

• The cost per piece.

• Non-piece related costs like packaging.

• The discounted price.

What does the correlation coefficient 'R' tell us?

• The promotional price of the kit.

• The number of pieces in the kit.

• The strength and direction of the correlation.

• The total cost of the Lego kit.

What should you do before starting the Lego kit activity?

• Ignore the instructions and proceed.

• Use only one tab for all tasks.

• Use a calculator for manual calculations.

• Open two tabs or use a phone for research.

When selecting Lego kits, what should you ensure about the prices?

• Ignore the prices completely.

• Use the suggested retail price (MSRP).

• Use the highest price available.

• Use only sale prices.

Why is it important not to round prices when entering data into Desmos?

• Rounding is required for accuracy.

• Rounding makes calculations easier.

• Rounding is recommended by Desmos.

• Rounding adds uncertainty or error.

What is the benefit of collecting data for more than four Lego kits?

• It is not recommended.

• It improves the accuracy of the analysis.

• It complicates the data entry process.

• It makes the analysis less accurate.

What should you ensure about your Google account during the activity?

• It should be logged into your DCPS account.

• It should be logged out.

• It should be a shared account.

• It should be a personal account.