PlEASE HELP ME AND I WILL GiVE U BRAINLIEST
1 answer:
Answer:
-1!
Step-by-step explanation:
If you plot the points on a graph, use RISE/RUN! You will see that you go up 5, left 5. Since you went left, it's a negative slope. 5/5 is 1, so the answer is -1! I really hope this makes sense, but if you need help, Im here!
I included a graph if you need to see it!
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Answer:
30th percentile:109
90th percentile: 188
Step-by-step explanation:
The given data set is:
129, 113, 200, 100, 105, 132, 100, 176, 146, 152
We arrange the data set in ascending order to obtain;
Array=
The 30th percentile is located at
-th position, where n=10 is the number of items in the data set
This implies that the 30th percentile is at the 3rd position.
Since 3 is an integer, the 30th percentile is the average of the 3rd and 4th occurrence in the array;
This implies that the 30th percentile =
The 90th percentile is located at
-th position, where n=10 is the number of items in the data set
This implies that the 90th percentile is at the 9th position.
Since 9 is an integer, the 90th percentile is the average of the 9th and 10th occurrence in the array;
This implies that the 90th percentile =