The Test Scores for a Statistics course are given in the Table below.

The data (X1, X2, X3, X4) are for each student.

X1 = score on exam #1

X2 = score on exam #2

X3 = score on exam #3

X4 = score on final exam

Your professor wants to know if all tests are created equal.

At a 5% level of Significant,run a test to determine if the mean difference between the test scores is the same.

See table below

EXAM1 EXAM2 EXAM3 FINAL

73807565.86666667

93889380.16666667

89919078

969810084.93333333

73667061.53333333

53465543.76666667

69747764.56666667

47566049.83333333

87799075.83333333

79708871.06666667

69707361.1

70657461.1

93959179.73333333

79807365.86666667

70737864.13333333

93899683.2

78756863.7

81909379.3

88928676.7

78837768.9

82869076.7

86828975.83333333

78838575.83333333

76837164.56666667

96939583.2

• A.The mean difference between the test scores is the not same because the p-value =0.9948
• B.The mean difference between the test scores is thesame because the p-value =0.0052
• C.The mean difference between the test scores is thesame because the p-value =0.9948
• D.The mean difference between the test scores is the not same because the p-value =0.0052