Question

A pawn shop claims to sell used Kindles for about the same price as Amazon or eBay. Both online retailers sell used Kindles for around $150. Below are recent Kindle sales prices for the pawn shop.

Price ($)

260

250

175

130

225

240

At the 5% significance level, the critical value is ________.

Answer 1

Degrees of freedom Level of significance: 0.05 given and- 0.025 Critical values: a/2 - 2.571 from t table α/2