(b) McDonald Malaysia claims that the mean weight of each chicken wing is 102 grams. A quality controller suspected that the chicken wings supply from certain companies did not comply with the required weight and send smaller size chicken wings. A random sample of 70 chicken wing gives a sample mean of 100 grams and the sample standard deviation is 5 grams. (i) Based on the study above, write the null and alternative hypotheses. (ii) Calculate the value of the test statistic. (iii) At the 5% significance level, discuss whether McDonald Malaysia's claim supported by the data?