Chapter 1: Q. 29 (page 51)

Use the following data to answer the next five exercises: A pair of studies was performed to measure the effectiveness of a new software program designed to help stroke patients regain their problem-solving skills. Patients were asked to use the software program twice a day, once in the morning and once in the evening. The studies observed 200 stroke patients recovering over a period of several weeks. The first study collected the data in Table 1.31. The second study collected the data in Table 1.32.
Given what you know, which study is correct?

Short Answer

Expert verified

Out of the given studies, the first one seems to be correct.

Step by step solution

Concept Introduction

Statistics, sometimes known as the "Science of Facts," allows us to derive conclusions from a set of data. It can also assist people in all industries in answering research or business queries, as well as forecast outcomes, such as what show you should watch next on your favorite video app.

Explanation

In the first research, participants who used the program improved more than those who did not. When compared to those who did not use the program, the number of participants who exhibited no progress is significantly lower for those who used it. The difference in numbers in the second study is slight, whereas the difference in numbers in the first research demonstrates that the program was effective in displaying effective progress. As a result of the observations, the initial study appears to be correct.