A Student Is Trying to Decide If It Is Cheaper

question 57

Multiple Choice

A student is trying to decide if it is cheaper to order blank CDs over the Internet or to buy them at local electronics stores.Listed below are the prices (in dollars) quoted for boxes of 200 blank CDs from various manufacturers. $$\begin{array} { c c } \ \text { Internet } & \text { Local Electronics Stores } \\26.00& 33.98 \\27.99& 37.75 \\31.50 & 38.99 \\32.75 & 35.79 \\27.00 & 33.99 \\27.98 & 34.79 \\24.75 & 29.98 \\28.15& 33.00 \\29.99 & 32.00\\29.99\end{array}$$
On the average,can we conclude that Internet purchases are significantly less than electronics store purchases? Test at ? = .05

• A)Reject the null hypothesis;Internet purchases are less than local stores.
• B)Do not reject the null hypothesis;there is not enough evidence to show that Internet purchases are less than local stores.
• \[\begin{array} { l c }

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Definitions:

Stimuli

External factors or events that provoke a physiological or psychological response.

Linear Perspective

A cue for distance based on the fact that parallel lines seem to converge as they get farther away from the viewer.

Texture Gradients

A depth cue in visual perception, where the gradual change in appearance of a texture signals increasing distance from the observer.

Relative Size

A perceptual cue that allows the determination of an object's size based on its perceived distance from the observer, indicating how large or small objects are in relation to each other.