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Testing for the differences is two variances with summarized data using PHStat
Amy Zerkle-Fenning
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Two sample test summarized data pooled variance using PHStat
Amy Zerkle-Fenning
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8.2.11 T-test for Difference in 2 Means, unequal variances Excel PHStat
Dr. Dawn : Stats, Data and AI - Dawn Wright Ph.D.
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10:24
8.2.19 Two-Sample T-test for Difference between Means Excel and PHStat (Equal variances)
Dr. Dawn : Stats, Data and AI - Dawn Wright Ph.D.
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8.1.11 two sample z Excel PHStat and StatCrunch to Solve a Difference of Two Means Hypothesis Test
Dr. Dawn : Stats, Data and AI - Dawn Wright Ph.D.
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