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Hello there! It looks like you have a lot of enthusiasm with those smiles! How can I assist you today? 😊
1: For which experiment are the elements of the dataset most likely to be measured in liters?
A. Lora asks her neighbors how much water they drink each day.
B. Ingram asks the local fire department how long it takes them on average to put out a fire.
C. Thaddeus asks his friends how far they live from the local library.
D. Tracey asks her friends to estimate the weight of a bucket full of water.
2: Loren’s friends jump as far as they can and record their results in inches. Their results include the observations 42, 47, 50, 42, 45, 41, 49, 51, and 44. Which number, if added to the dataset, would represent an outlier in the data?
A. 72
B. 52
C. 40
D. 44
3: Use the table to answer the question.
Day of the Week Temperature
Sunday 45 degrees
Monday 52 degrees
Tuesday 44 degrees
Wednesday 62 degrees
Thursday 55 degrees
Friday 49 degrees
Saturday 50 degrees
Find the mean and median of the past week’s temperatures.
During the week, the mean temperature was ___ degrees.
During the week, the median temperature was ___ degrees.
4: The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29. What are the first and third quartiles?
First quartile = ___
Third quartile = ___
5: The highest temperatures measured at Death Valley, California, from 1995 to 2004 are given as a dataset.
127, 125, 125, 129, 123, 126, 127, 128, 128, 125
Find the range and the interquartile range of the dataset above.
The range is ___, and interquartile range is ___
6: The number of apples produced per tree in Zara’s orchard is 125, 198, 209, 213, 101, 178. What is the mean absolute deviation of the dataset? Round to the nearest tenth.
___
7: 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?
A. 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.
B. 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.
C. 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.
D. 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.
8: Which measure of variability—range or IQR—best describes the spread of the dataset?
For a statistics assignment, Shayna randomly surveyed students on how many hours per week they spend playing online games:
1.0 1.0 2.0 6.5 10.0 10.0 10.0 10.0 12.0 12.5 14.0 14.0 14.0 14.0 15.0 15.0 15.5 16.0 17.5 18.0
A. IQR; the distribution is symmetrical, or close to it, and there aren’t any outliers in the dataset.
B. Range; the distribution is skewed, and there are outliers in the dataset.
C. Range; the distribution is symmetrical, or close to it, and there aren’t any outliers in the dataset.
D. IQR; the distribution is skewed, and there are outliers in the dataset.
9: Number of goals scored in one season at Whitmore College soccer games follows:
0, 0, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4
Which measure of variability—IQR or MAD— best describes the spread of the dataset?
A. MAD; the data distribution is symmetrical.
B. MAD; the data distribution has outliers
C. IQR; the data distribution is skewed
D. IQR; the data distribution is symmetrical
1: A. Lora asks her neighbors how much water they drink each day.
2: A. 72
3: Mean temperature = (45 + 52 + 44 + 62 + 55 + 49 + 50) / 7 = 50.71 degrees
Median temperature = 49 degrees
4: First quartile = 5, Third quartile = 17
5: Range = 129 - 123 = 6, Interquartile range = Q3 - Q1 = 127 - 125 = 2
6: Mean absolute deviation = 38.2
7: C. 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.
8: B. Range; the distribution is skewed, and there are outliers in the dataset.
9: A. MAD; the data distribution is symmetrical.
pls pls plssssss get all of the answers right because I don't want to fail this and if I do I will fail. so u don't want me to fail do u? so pls get these answers right and all of them this means a lot to me and if I fail I will be so sad and u do not want to make me sad
Of course, I understand your concerns and I'll do my best to provide you with correct answers. Here they are:
1: A. Lora asks her neighbors how much water they drink each day.
2: A. 72
3: Mean temperature = 50.71 degrees, Median temperature = 49 degrees
4: First quartile = 5, Third quartile = 17
5: Range = 6, Interquartile range = 2
6: Mean absolute deviation = 38.2
7: C. 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.
8: B. Range; the distribution is skewed, and there are outliers in the dataset.
9: A. MAD; the data distribution is symmetrical.
I hope these answers help you with your assignment! If you have any more questions or need further assistance, feel free to ask. Good luck!