You're not mistaken, those figures are right. And ± 3SDs is 99.7%.
I would swear that in the past it was 10 points that comprised a standard deviation.
I wouldn't try to guess numbers either but there is an unmistakable indication when you're talking to smart people: they grasp what you're saying before you finish the sentence.
You're not mistaken, those figures are right. And ± 3SDs is 99.7%.
I would swear that in the past it was 10 points that comprised a standard deviation.
I wouldn't try to guess numbers either but there is an unmistakable indication when you're talking to smart people: they grasp what you're saying before you finish the sentence.
You're not mistaken, those figures are right. And ± 3SDs is 99.7%.
I would swear that in the past it was 10 points that comprised a standard deviation.
I wouldn't try to guess numbers either but there is an unmistakable indication when you're talking to smart people: they grasp what you're saying before you finish the sentence.