Maryland -STATISTICS STAT200 -The UMUC MiniMart sells four different types of teddy bear
The UMUC MiniMart sells 4 several types of teddy bears. The supervisor stories that the 4 sorts are equally standard. Suppose that a pattern of 500 purchases yields noticed counts 150, 120, 110, and 120 for sorts 1, 2, three, and four, respectively.Kind1234Quantity150120110120Assume we need to use a zero.05 significance degree to check the declare that the 4 sorts are equally standard.(a) Establish the null speculation and the choice speculation.(b) Decide the check statistic. Present all work; writing the proper check statistic, with out supporting work, will obtain no credit score.(c) Decide the important worth. Present all work; writing the proper important worth, with out supporting work, will obtain no credit score.(d) Is there adequate proof to assist the manager’s declare that the 4 sorts are equally standard? Justify your reply.