Final answer:
I don't have the specific frequency distribution table to calculate the percentages. Please provide the necessary data, and I'll assist you with the calculations.
Step-by-step explanation:
To determine the percentage of students who scored at least 50 but less than 70 and at least 50 but less than 80, we need to examine the cumulative frequency distribution.
Without the actual frequency distribution table, I'll provide a general approach:
At least 50 but less than 70:
Find the cumulative frequency of students scoring less than 70.
Subtract the cumulative frequency of students scoring less than 50 (if provided).
Divide by the total number of students.
Multiply by 100 to get the percentage.
At least 50 but less than 80:
Find the cumulative frequency of students scoring less than 80.
Subtract the cumulative frequency of students scoring less than 50 (if provided).
Divide by the total number of students.
Multiply by 100 to get the percentage.
If you provide the actual cumulative frequency distribution or additional details, I can assist with the calculations.
Your correct question is: 19. The frequency distribution in the following table shows the range of test scores in a particular algebra class. Determine what percentage of students that scored at least 50 but less than 70 . (A) 39.2% (C) 51.2% (B) 43.2% (D) 35.2% 20. The frequency distribution in the following table shows the range of test scores in a particular algebra class. Determine what percentage of students that scored at least 50 but less than 80. (A) 88.3% (C) 72.3%