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Mathematics, 23.07.2020 01:01 Dashavu7165

Kara Danvers (Supergirl) has always relied on her strength to win fights. But what happens when she meets an alien just as strong? Her sister is training her to be a more technical fighter so that Supergirl can meet any challenge. The data below record the significant strikes during randomly selected training sessions 6 months apart. Is Kara showing improvement in her fighting? Strikes (pre):2932443419
Strikes (post):5145689264

Write the Hypotheses:
H_0:, the mean difference in between and is
H_a:, the mean difference in between and is

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