A Bowling Alley Checks the Timing of the Ball Returns

question 16

Essay

A bowling alley checks the timing of the ball returns daily for four lanes.The times are given in seconds.Create X-bar and R charts.Is the process in control? $$\begin{array} { c c c c c } \text { day\ allay \# } & \mathbf { 1 } & \mathbf { 2 } & \mathbf { 3 } & \mathbf { 4 } \\\mathbf { 1 } & 15 & 17 & 15 & 17 \\\mathbf { 2 } & 17 & 16 & 18 & 21 \\\mathbf { 3 } & 16 & 15 & 14 & 16 \\\mathbf { 4 } & 19 & 16 & 19 & 18 \\\mathbf { 5 } & 15 & 17 & 15 & 20 \\\mathbf { 6 } & 15 & 14 & 14 & 19 \\\mathbf { 7 } & 16 & 18 & 17 & 18 \\\mathbf { 8 } & 18 & 15 & 18 & 20 \\\mathbf { 9 } & 15 & 16 & 15 & 17 \\\mathbf {10} & 16 & 16 & 16 & 21\end{array}$$

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Definitions:

Equilibrium Quantity

The amount of goods or services supplied equals the amount demanded at the market equilibrium price.

Rent Control

A government policy or set of laws that limit the amount landlords can charge for leasing homes or apartments, aimed at making housing more affordable.

Usury Laws

Legislation that sets maximum interest rates that can be charged on loans, intended to protect consumers from excessive interest.

Price Ceilings

A legally mandated upper limit on the price that may be charged for a product or service.