What conclusion is most correct about the Experimental Design shown here with the response in the far right column?

Question

giulio guzzi · Accepted Answer

The response level is statistically concluded to only need the Adv and Bev factors set at the low level to get the largest response rate

giulio guzzi · Answer

No factor has enough statistical confidence greater than 95% to have an impact on the response rate

giulio guzzi · Answer

Constant, Adv and Bev are the only factors statistically affecting the response rate with 95% confidence or more

giulio guzzi · Answer

If the Adv is increased from the low level to the high level, the response rate increases

giulio guzzi · Answer

This design does not have enough experimental runs to conclude anything as evidenced by the lack of P-values in the MINITABTM output

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