I need help answering these with a brief explanation

Question Answered step-by-step I need help answering these with a brief explanation Image transcription textDetermine whether the z—test or the I—test should be performed, or whether a statistician should beconsulted. A simple random sample of size 23 has mean E = 9.4. The population standard deviation is o=3_?2.The population is not approximately normal. Can you oonclude that the population mean differs fr… Show more… Show moreI need help answering these with a brief explanation Math Statistics and Probability MATH 215 Share QuestionEmailCopy link Comments (0)