The Attention Span of Kindergarteners Are Measured in Minutes A)Fail to Reject the Null and Conclude That Attention Spans

question 41

Multiple Choice

The attention span of kindergarteners are measured in minutes.A teacher wants to see if there are differences in the attention span of kindergarteners at different times of day.Using a sample of five such children, their attention spans are measured at five different times throughout the day.Using the data in the table below and an alpha of 0.05, what is the appropriate conclusion? $$\begin{array} { l c c c c c } & 9 \text { am } & 11 a m & \text { nown } & 1 p m & 3 p m \\\text { Child 1 } & 12 & 5 & 10 & 7 & 8 \\\text { Child 2 } & 10 & 6 & 9 & 8 & 12 \\\text { Child 3 } & 7 & 10 & 6 & 8 & 13 \\\text { Child 4 } & 11 & 8 & 5 & 4 & 10 \\\text { Child 5 } & 12 & 4 & 11 & 5 & 8\end{array}$$

• A)Fail to reject the null and conclude that attention spans differ at different times of day.
• B)Reject the null and conclude that attention spans are the same between children.
• C)Reject the null and conclude that attention spans are impacted by time of day and child.
• D)Fail to reject the null and conclude that attention spans differ between children.
• E)Fail to reject the null and conclude that attention spans are the same at different times of day.

---

Definitions:

Osteoblasts

Cells with bone-forming capability, responsible for the synthesis and mineralization of bone during both initial bone formation and later bone remodeling.

Osteoclasts

Cells that break down bone tissue, playing a crucial role in bone growth, healing, and remodeling.

Lamellae

Thin layers or plates found in bones, structured to provide strength and stability.

Lacunae

Small cavities in bone or cartilage tissue housing osteocytes or chondrocytes, cells essential for bone maintenance and cartilage elasticity.