College courses: A sample of people were asked the number of courses they were taking in a certain semester.
Following is a frequency histogram of their responses.
(a) What is the most frequent number of courses taken?
(b) How many people were in the sample?
(c) How many people took more than one course?
(d) What percentage of the people took fewer than one course?
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To solve the given problem, we need the histogram data that shows the frequency of the number of courses taken by the sample of people. Without the actual histogram, I'll outline the steps and explanations you would typically follow to answer each question. 

### (a) What is the most frequent number of courses taken?

To answer this:
- **Find the highest bar in the histogram.** The x-axis usually represents the number of courses, and the y-axis represents the frequency (number of people). The number corresponding to the highest bar is the mode, which represents the most frequent number of courses taken.

### (b) How many people were in the sample?

To answer this:
- **Sum all the frequencies** from the histogram. The total frequency gives the total number of people in the sample.

### (c) How many people took more than one course?

To answer this:
- **Add the frequencies for all courses greater than one** on the x-axis. This sum represents the number of people who took more than one course.

### (d) What percentage of the people took fewer than one course?

To answer this:
- **Find the frequency for the category "fewer than one course"** (if it exists, such as 0 courses), then divide this frequency by the total number of people (from part (b)) and multiply by 100 to find the percentage.

Please upload the histogram image or provide the frequency data for each course if available, and I can give you precise answers to these questions.

Would you like to provide the histogram, or do you have any other questions?

### 5 Related Questions
1. What is the significance of the mode in a frequency distribution?
2. How does skewness in a histogram affect the interpretation of the most frequent value?
3. How can we calculate the median number of courses taken using the histogram?
4. What is the difference between cumulative frequency and simple frequency?
5. How would you determine the mean number of courses taken if you had the exact data?

### Tip:
When interpreting a histogram, always check the axes labels to understand what each bar represents before making any calculations or interpretations.

Explore how to analyze frequency histograms using a sample of people's responses about the number of college courses taken in a semester. Learn how to find the mode, calculate sample size, determine the number of people taking more than one course, and find the percentage of those taking fewer than one course.

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