A stotisticaprogram ve you ever been frustrated becsuse you could ot ets contain

Question

A stotisticaprogram ve you ever been frustrated becsuse you could ot ets container of 50 e ort toneleose the st bit or its co te tz? ^ rticle eo ed on on i vest ation or th 5 mvefor arous consumer prod ct. Supposeve 6 0 02 b bes of tooth2 ste ct a partcul b and 3 e andom 12e ected snd squeezed urta no more ooth ste O The gample ected to reprMent rynge oe result, 3nd the normal prehstilky lor not arrereshly The sample as selected to represent a onge o results and the normal prebsbilty clot is not acceptsbly Enear @ Hn, : 0.é

Explanation / Answer

The statistical software output for this problem is:

One sample T hypothesis test:
: Mean of variable
H0 : = 0.6
HA : < 0.6

Hypothesis test results:

Hence,

t = - 2.44

P - value = 0.036

Variable Sample Mean Std. Err. DF T-Stat P-value Data 0.492 0.04431704 4 -2.4369859 0.0357

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