Statistics Unit Test 12 of 1512 of 15 Items Question Niran surveyed the students in his class on how many hours they spent on their project Here are the results: 0.5, 1.0, 1.0, 1.0, 1.5, 2.0, 2.0, 2.0, 2.5, 3.0, 3.5, 3.5, 3.5, 4.0, 5.0, 6.0, 8.0, 10 Which of the following is the IQR of the dataset and explains what the value means for this dataset? (1 point) Responses The IQR is 2.5. This means that 2.5 hours is the range of the number of hours spent on the project for the middle 50% of the students. The IQR is 2.5. This means that 2.5 hours is the range of the number of hours spent on the project for the middle 50% of the students. The IQR is 2.5. This means that 2.5 hours is the range of the number of hours spent on the project for 50% of the students. The IQR is 2.5. This means that 2.5 hours is the range of the number of hours spent on the project for 50% of the students. The IQR is 2.75. This means that 2.75 hours is the range of the number of hours spent on the project for the middle 50% of the students. The IQR is 2.75. This means that 2.75 hours is the range of the number of hours spent on the project for the middle 50% of the students. The IQR is 2.75. This means that 2.75 hours is the range of the number of hours spent on the project for 50% of the students.