Question

According to a report the standard deviation of monticell phone is was 545 three years ago. A researcher suspects that the standard deviation of monthly cell phone bills is higher today (a) Determine the two and a native hypotheses Explain what I would mean to make a Type I (c) Explain what it would mean to make a Type llo (a) State the hypotheses He Hi (Type Images or decias Do not round) b) Explain what it would mean to make a Type I Choose the correct answer below O A The sample evidence led the researcher to believe the standard deviation of the monthly celphone bill is higher than 548 65. when in fact the standard deviation of the balls $486 OB. The sample evidence did not lead the researcher to believe the standard deviation of the monthly cell phone bill is higher than 548 65 when in fact the standard deviation of the bar is higher than 548 65 OC. The sample wvidence led the researcher to believe the standard deviation of the monthly cell phone balls less than 548 65, when in fact the standard deviation of the batis 54565 OD. The sample evidence did not lead the researcher to believe the standard deviation of the monthly cell phone baise than 548 65 when in fact the standard deviation of the bulbs less than 54865 (c) Explain what it would mean to make a Typell error Choose the correct answer below. OA. The sample widence did not lead the researcher to believe the standard deviation of the monthly cal phone is higher than $4565, when in fact the standard deviation of the bis higher than 545 Click to select your answers

Answer 1

ANSWER a) Ho 5 = 48.65 Hao> 48.65 b) Oltion A is correct it leads to resect hull when it is true c) ophion A is correct as it leads to fail to resect hull when it Should be rejected. CS Scanned with CamScanner