Which of the following are the correct expected counts for speeding tickets under the null hypothesis?

Question

Which of the following are the correct expected counts for speeding tickets under the null hypothesis?

BlackTom AI · Accepted Answer

The question asks: Which of the following are the correct expected counts for speeding tickets under the null hypothesis?

First, note that the provided data show a single line labeled with a table-like structure:
Color	Red	White/Silver	Gray/Black	Other
Expected Count	16.8	42.0	27.6	33.6

However, there are no answer options given to choose from (the answer_options field is empty). This means we cannot select a stated option, because none are presented to evaluate.

What we can analyze from the given information:
- The expected counts are: Red 16.8, White/Silver 42.0, Gray/Black 27.6, Other 33.6.
- A key check for any set of expected counts is that they should sum to the total number of observations. Here, summing these values: 16.8 + 42.0 + 27.6 + 33.6 = 120.0. Therefore, the total number of speeding tickets under the null hypothesis would be 120 observations.

If you had multiple choices, you would compare each option’s counts to this set to see which matches exactly. Since there are no options provided, you cannot determine which among them is correct from the given data alone.

Additionally, consider these potential pitfalls:
- If any color category is missing or misnamed in an option, it would not be equivalent to the given table, even if the numbers seemed to align for some categories.
- Ensure that the categories are the same across options and the table; a mismatch in category labels would render a comparison invalid.
- When computing expected counts under the null hypothesis, the standard approach is to use the overall proportions or distribution under the null model; here, the table directly provides the expected counts for each category, which should be compared against alternative options if they existed.

In summary, the provided data give the expected counts as Red 16.8, White/Silver 42.0, Gray/Black 27.6, and Other 33.6, totaling 120.00. Without explicit answer choices to select from, we cannot identify a correct option beyond recognizing these as the expected counts.

Su25-STATS-141-01/BIO-141-01 Homework 4: Chi-Square Goodness-of-Fit Test, Causation Claims, & Generalization Claims

Which of the following are the correct expected counts for speeding tickets under the null hypothesis?

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