Question

QUESTION 2.Raju Restaurant near the railway station at Falna has been having average sales of 500 teacups per day. Because of the development of bus stand nearby, it expects to increase itssales. During the first 12 days after the start of the bus stand, the daily sales were as under:550, 570, 490, 615, 505, 580, 570, 460, 600, 580, 530, 526. To give the conclusion that RajuRestaurant's sales have either increased or not, which type of hypothesis testing will haveto apply? Use 5 per cent level of significance.(At 5 per cent level of significance, z = 1.645 & 1 = 1.796 with 11 d.f.)a) t, and its observed value is 3.558b) t, and its observed value is -3.558c) z, and its observed value is 3.548d) None of these​

Answer 1

Answer:

I AM SORRY I AM NOT ABLE TO UNDERSTAND THIS QUESTION