Instruction 11-6
as Part of an Evaluation Program,a Sporting Goods

question 129

True/False

Instruction 11-6
As part of an evaluation program,a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles.She recorded three trials of each brand and determined their maximum downhill speeds.The results are presented in kilometres per hour in the table below.
$\begin{array}{lcccc}\text { Trial } & \frac{\text { Barth }}{} & \frac{\text { Tomado }}{} & \frac{\text { Reiser }}{} & \frac{\text { Shaw }}{} \\1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$
-Referring to Instruction 11-6,the null hypothesis should be rejected at a 5% level of significance.

Comprehend the shift to abstract thinking and hypothetical reasoning in the formal operational stage.

Distinguish between key theories of cognitive development by Piaget and Vygotsky.

Recognize the significance of social interactions and attachments in cognitive and emotional development.

Understand the characteristics and impact of autism spectrum disorder on cognitive development.

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