From 1900 to 2000 the average temperature in july in atlanta was 90∘f. a researcher believes due to global warming that the average temperature is increasing in atlanta. what could be the null hypothesis?

Option C

Step-by-step explanation:

Hypothesis is a tentative guess which can be statistically proven to be valid or invalid depending with the given level of significance. Normally, we have null and alternative hypothesis. For this question, the null hypothesis is that the mean temperature in Atlanta in July is less than or equal to

b

step-by-step explanation:

the word superfluous means unnecessary