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Noah
Noah
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You're correct in saying SD refers to SD #1 and SE refers to SESD #3. SESD #2 comes into play when SD #1 is not known. We can approximate SD #1 using SD #2. This is what motivates the t-test and t-distribution. When discussing the central limit theorem, though, SD #2 is indeed not relevant.

You're correct in saying SD refers to SD #1 and SE refers to SE #3. SE #2 comes into play when SD #1 is not known. We can approximate SD #1 using SD #2. This is what motivates the t-test and t-distribution. When discussing the central limit theorem, though, SD #2 is indeed not relevant.

You're correct in saying SD refers to SD #1 and SE refers to SD #3. SD #2 comes into play when SD #1 is not known. We can approximate SD #1 using SD #2. This is what motivates the t-test and t-distribution. When discussing the central limit theorem, though, SD #2 is indeed not relevant.

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Noah
Noah
  • 36.8k
  • 3
  • 53
  • 125

You're correct in saying SD refers to SD #1 and SE refers to SE #3. SE #2 comes into play when SD #1 is not known. We can approximate SD #1 using SD #2. This is what motivates the t-test and t-distribution. When discussing the central limit theorem, though, SD #2 is indeed not relevant.