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Using the Following Data, Conduct a One-Tailed T-Test in the Upper

question 26

Short Answer

Using the following data, conduct a one-tailed t-test in the upper tail.Use a known population mean of 49 and α =
.05.
51 48 52 50 48 52 50 48 52 54
50 52 54 47 49 53 47 46 50 51 Xˉ=100420=50.2sX2=50506(1004)220201=105.219=5.537sX=5.537=2.35sXˉ=2.3520=0.525tobt =50.2490.525=+2.29tcrit =+1.729\begin{array}{l}\bar{X}=\frac{1004}{20}=50.2 \\\\s_{X}^{2}=\frac{50506-\frac{(1004)^{2}}{20}}{20-1}=\frac{105.2}{19}=5.537 \\\\s_{X}=\sqrt{5.537}=2.35 \\\\s_{\bar{X}}=\frac{2.35}{\sqrt{20}}=0.525 \\\\t_{\text {obt }}=\frac{50.2-49}{0.525}=+2.29 \\\\t_{\text {crit }}=+1.729\end{array}

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Definitions:

Episodic Memory

A form of lasting memory that deals with remembering particular incidents, contexts, and personal experiences, along with the emotions and settings linked to these memories.

Retrieval Cues

Stimuli or signals that can trigger the memory recall process, helping to access information stored in long-term memory.

Memory Problems

Issues or impairments in the ability to remember information, which can range from mild forgetfulness to severe memory loss.

Parallel Distributed Processing

A computational approach in cognitive science that models thought processes in terms of networks that can occur simultaneously (in parallel) across multiple neural nodes.

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