Nursing Statistics Problem, assignment help


Question Description

Please see the attached pdf for question. It is out from a text book. so i have made a pdf section pretaining to the specific problem. what needs to be completed in this problem are the question on:

Problem 16 page 9 and 10(Questions to be graded section) on the pdf. and exercise 17 Pages 7 and 8

DO each exercises 16 and 17 on two seperate documents.

All necessary data to solve are in the above pages

Tutor Answer

School: University of Virginia


Name 1
Professors Name
Course Title
Submission Date
Exercise 16: Understanding Dependent Samples 𝒯-Test
1. What do degree of freedom (df) mean? Canbulat et al. (2015) did not provide the dfs in their
study. Why is it important to know the df for a t ratio?
The degree of freedom (df) represents normal distribution, measured at the interval level,
examines varying relationships between two groups of variables and determines the significance
in correlations. Knowing the varying difference of the t ratio shows how significant the
relationship influences each variable.

𝑑𝑓 = (π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ 𝑠𝑒𝑏𝑗𝑒𝑐𝑑𝑠 𝑖𝑛 π‘ π‘Žπ‘šπ‘π‘™π‘’ π‘œπ‘›π‘’ +
π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ 𝑠𝑒𝑏𝑗𝑒𝑐𝑑𝑠 𝑖𝑛 π‘ π‘Žπ‘šπ‘π‘™π‘’ π‘‘π‘œ) – 2
β€’ 𝑑𝑓 = 𝑛1 + 𝑛2 βˆ’ 2 =
β€’ 88 + 88 – 2 =
β€’ 176 – 2 =
β€’ 𝑑𝑓 = 174
2. What are the means and standard deviations SDs) for age for the Buzzy intervention and
control groups? What statistical analysis is concluded t...

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