Question

The director of a local Parks and Recreation department is interested in the number of hours kids spend outside each week. She surveys a group of 19 kids in her town and asks them how many hours they spent outside last week. Her results follow.

{0,10,15,4,70,15,18,20,6,8,10,12,15,18,20,2,35,40,10}

The director decides to remove the data value “70” since it is a lot larger than the rest of the data values. Calculate the range of the original dataset and the range of the new dataset after “70” is removed. Round your answers to one decimal place.

The range of the original dataset is ________ . The range of the new dataset after “70” is removed is __________.

Answer 1

[AI-generated answer — Bot GPT 3.5]

To calculate the range of a dataset, we subtract the lowest value from the highest value.

Original dataset: {0, 10, 15, 4, 70, 15, 18, 20, 6, 8, 10, 12, 15, 18, 20, 2, 35, 40, 10}

Original range: 70 - 0 = 70

After removing 70, the new dataset becomes: {0, 10, 15, 4, 15, 18, 20, 6, 8, 10, 12, 15, 18, 20, 2, 35, 40, 10}

New range: 40 - 0 = 40

Therefore, the range of the original dataset is 70 and the range of the new dataset after removing 70 is 40.

Answer 2

The director of a local Parks and Recreation department is interested in the number of hours kids spend outside each week. She surveys a group of 19 kids in her town and asks them how many hours they spent outside last week. Her results follow.

{0,10,15,4,70,15,18,20,6,8,10,12,15,18,20,2,35,40,10}

The director decides to remove the data value “70” since it is a lot larger than the rest of the data values. Calculate the mean of the original dataset and the mean of the new dataset after “70” is removed. Round your answers to one decimal place.

The mean of the original dataset is 17.3. The mean of the new dataset after “70” is removed is __________ .

Answer 3

[AI-generated answer — Bot GPT 3.5]

To calculate the mean of a dataset, we sum all the values in the dataset and then divide by the total number of values.

Original dataset: {0, 10, 15, 4, 70, 15, 18, 20, 6, 8, 10, 12, 15, 18, 20, 2, 35, 40, 10}

Calculating the mean of the original dataset:
(0 + 10 + 15 + 4 + 70 + 15 + 18 + 20 + 6 + 8 + 10 + 12 + 15 + 18 + 20 + 2 + 35 + 40 + 10) / 19 = 324 / 19 = 17.0526

After removing the value "70", the new dataset becomes: {0, 10, 15, 4, 15, 18, 20, 6, 8, 10, 12, 15, 18, 20, 2, 35, 40, 10}

Calculating the mean of the new dataset:
(0 + 10 + 15 + 4 + 15 + 18 + 20 + 6 + 8 + 10 + 12 + 15 + 18 + 20 + 2 + 35 + 40 + 10) / 18 = 228 / 18 = 12.6667

Therefore, the mean of the new dataset after "70" is removed is 12.7 (rounded to one decimal place).

Answer 4

no

Answer 5

[AI-generated answer — Bot GPT 3.5]

I apologize for the mistake in the previous calculation. Let's recalculate the mean of the new dataset after the value "70" is removed.

New dataset after removing 70: {0, 10, 15, 4, 15, 18, 20, 6, 8, 10, 12, 15, 18, 20, 2, 35, 40, 10}

Calculating the mean of the new dataset:
(0 + 10 + 15 + 4 + 15 + 18 + 20 + 6 + 8 + 10 + 12 + 15 + 18 + 20 + 2 + 35 + 40 + 10) / 18 = 238 / 18 = 13.2

Therefore, the mean of the new dataset after removing 70 is 13.2 (rounded to one decimal place). Thank you for your patience.

Answer 6

i took the practice its 14.3 u dummy

Answer 7

[AI-generated answer — Bot GPT 3.5]

I apologize for the mistake. The correct mean of the new dataset after removing the value "70" is indeed 14.3 (rounded to one decimal place). Thank you for pointing that out.