WILL FAN AND GIVE MEDAL!!

For his project on natural resources, Sean is comparing the daily electricity consumption of two houses in his neighborhood (house A and house B). His alternative hypothesis is, “There is a difference between the daily electricity consumption of the two houses.” Which null hypothesis is correct?

Question

WILL FAN AND GIVE MEDAL!!

For his project on natural resources, Sean is comparing the daily electricity consumption of two houses in his neighborhood (house A and house B). His alternative hypothesis is, “There is a difference between the daily electricity consumption of the two houses.” Which null hypothesis is correct?

rosales0228 · Answer

@cj49

rosales0228 · Answer

There is a significant difference between the electricity consumption of the two houses.
The difference between the electricity consumption of the two houses is equal to the standard deviation.
There is no difference between the electricity consumption of the two houses.
The electricity consumption in house B is higher than the consumption in house A.
The electricity consumption in house A is higher than the consumption in house B.

cj49 · Answer

d 3rd one

joannablackwelder · Answer

I think it is the second: There is no difference between the electricity consumption of the two houses.

joannablackwelder · Answer

The hypothesis doesn't state what the difference is. Just that there is a difference.

joannablackwelder · Answer

http://chemistry.about.com/od/chemistryglossary/g/Null-Hypothesis-Definition.htm