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We have two different...

We have two different sections for the STATISTICS II lecture. The dean claim

that there is no difference between mean averages of Section 1 and Section 2

students. To test this hypothesis he took 15 students from Section 1 and 12

students from Section 2. The mean of Section 1 is 3.40 standard deviation is

1.10. The mean of Section 2 is 2.20 standard deviation is 0.90. The test is?

a) Right tailed/sided

b) Left tailed/sided

c) Two tailed/sided

d) Cross tailed/sided

E All of them

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