A researcher wants to know if Internet download speeds are significantly affecte

Question

A researcher wants to know if Internet download speeds are significantly affected by certain brands of modems, certain brands of routers, and different operating systems. For modems, the researcher decided to compare the brands Deliver and Boltz, then chose a model for each that were comparable. For routers, the researcher elected to test the brands Reach, Waves, and Ulti, then chose a model for each that were comparable. For operating systems, the latest software updates for orange and Door were used. Assuming a full factorial design, how many treatments are there for this experiment? List any four of them as examples

Explanation / Answer

Answer:

There are 2 modems. (Deliver, Boltz)

There are 3 Routers. (Reach,Waves,Ulti)

There are 2 operating systems.(Orange,Door)

There are 3 factors.

Number of treatments = 2*3*2=12

4 Treatment combinations are:

Deliver, Reach, Orange

Deliver, Reach,,Door

Deliver, Waves, Orange

Deliver, Waves, Door

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