10) A fitness app states that its users achieve an average step count of 8,000 steps per day. To verify this, you randomly select 20 users and record their daily step counts: [7500, 8200, 7900, 8100, 8300, 8100, 8200, 7900, 8000, 8300, 7600, 8200, 8000, 7900, 8000, 7800, 8300, 7900, 8100, 8000]. Is there evidence to support the app's claim at a 1% significance level?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
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10) A fitness app states that its users achieve an average step count of 8,000 steps per day. To verify this, you
randomly select 20 users and record their daily step counts: [7500, 8200, 7900, 8100, 8300, 8100, 8200, 7900,
8000, 8300, 7600, 8200, 8000, 7900, 8000, 7800, 8300, 7900, 8100, 8000]. Is there evidence to support the
app's claim at a 1% significance level?
Transcribed Image Text:10) A fitness app states that its users achieve an average step count of 8,000 steps per day. To verify this, you randomly select 20 users and record their daily step counts: [7500, 8200, 7900, 8100, 8300, 8100, 8200, 7900, 8000, 8300, 7600, 8200, 8000, 7900, 8000, 7800, 8300, 7900, 8100, 8000]. Is there evidence to support the app's claim at a 1% significance level?
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