The null and alternative hypotheses for a test are H0: =13 and Ha:

respectively, where is the mean iron intake(per day) of all adult females under the age of 51 years. Given below are(i) the population standarddeviation, ,(ii) a significancelevel, (iii) a samplesize, and(iv) some values of.

(i) =4.7

(ii) =0.01

(iii) n=45

(iv) =12.00, 12.25, 12.50, 12.75

9.7.193 Question Help The null and alternative hypotheses for a test are Ho: u = 13 and Ha: u