In a recent study, 

100

 males used a new weight-loss supplement, and all but 

27

 of them experienced weight loss after two weeks. In the same study, 

50

 females used the same supplement, and all but 

23

 of them experienced weight loss after two weeks.

Fill in the blanks below to make the most reasonable statement possible.

The new weight-loss supplement was more effective on ▼males in the study. That is because 

%

 of them lost weight after two weeks, whereas only 

%

 of the ▼females lost weight after two weeks.

Let's calculate the percentages for both males and females.

### Males:
- Total males: 100
- Males who did not lose weight: 27
- Males who lost weight: \( 100 - 27 = 73 \)

Percentage of males who lost weight:
\[
\frac{73}{100} \times 100 = 73\%
\]

### Females:
- Total females: 50
- Females who did not lose weight: 23
- Females who lost weight: \( 50 - 23 = 27 \)

Percentage of females who lost weight:
\[
\frac{27}{50} \times 100 = 54\%
\]

### Completed Statement:
The new weight-loss supplement was more effective on **males** in the study. That is because **73%** of them lost weight after two weeks, whereas only **54%** of the **females** lost weight after two weeks.

Would you like any further details or have any questions?

Here are 5 related questions:
1. How would the effectiveness change if 90 males experienced weight loss instead of 73?
2. What might account for the difference in effectiveness between males and females?
3. How could the study be improved to yield more accurate results?
4. What is the significance of the 73% and 54% in terms of statistical analysis?
5. Could other factors such as age or activity level affect the results?

**Tip:** When analyzing percentages, always ensure the base (total group size) is taken into account to avoid misinterpretation of effectiveness across different groups.

Explore the effectiveness of a weight-loss supplement based on a study involving males and females. Calculate the percentage of individuals who experienced weight loss after two weeks and analyze the differences between genders. Suitable for students in Grades 6-8, this problem involves basic percentage calculations and interpretation.

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