Suppose that you used a 9-point rating scale and that you wanted to compare men who had an annual income over $50,000 (Group 1)with men who had an annual income less than or equal to $50,000 (Group 2)on their liking of a new product.If you studied 40 men in Group 1 and they have a mean of 7 and a standard deviation of 2.5,while the 35 men in Group 2 have a mean of 5 and a standard deviation of 1.4,what is the approximate value of t using the t-test?
A)3.43
B)4.19
C)2.64
D)not enough information to determine

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The Answer of Suppose that you used a 9-point rating scale and that you wanted to compare men who had an annual income over $50,000 (Group 1)with men who had an annual income less than or equal to $50,000 (Group 2)on their liking of a new product.If you studied 40 men in Group 1 and they have a mean of 7 and a standard deviation of 2.5,while the 35 men in Group 2 have a mean of 5 and a standard deviation of 1.4,what is the approximate value of t using the t-test?
A)3.43
B)4.19
C)2.64
D)not enough information to determine

Suppose That You Used a 9-Point Rating Scale and That