# Probability and Statistics 2

posted by .

The numbers below represents heights (in feet) of 3-year old elm trees, where leaves represent fractional parts of each value.
Stems Leaves
5 1,8
6 1,2,4,7,8,9
7 0,2,3,3,4,5
8 1,1,2,3,5,6,6,7,7,9,9
9 0,1,3,4

a) Find the five number summary for the given set of data.
b) Produce a box and whisker plot for the data.
c) Assuming that the heights of 3-year old elm trees are normally distributed find a 95% confidence interval for the mean height of 3-year old elm trees.

## Similar Questions

1. ### math

Melissa collected 3 kinds of leaves when she was out walking--- elm, maple, and oak. She has 2xs as many maple leaves as elm leaves and 5xs as many oak leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does …
2. ### math

Melissa collected three kinds of autumn leaves when she was out walking today-elm, maple and oak. She has 2 times as many maple leaves as elm leaves and 5 times as many oak leaves as elm leaves. Altogether she has 32 leaves how many …
3. ### 5th grade

melissa collected three kinds of autumn leaves ,oak,elm and maple.she has 2 times as many maple as elm leaves and 5 times as many oak as elm leaves .she has 32 leaves all together. how many of each kind does she have?
4. ### statistics

If 8% of the population of trees are elm trees, find the probability that in a sample in a sample of 100 trees, there are exactly 6 elm trees. assume the distribution is approximately Poisson
5. ### math word problem

Melissa collected 3 kinds of leaves when she was out -elm, maple and oak. She has 2 times as many maple leaves as elm leaves and 5 times as many oak as elm leaves. Altogether she has 32 leaves. How many of each kind does she have?
6. ### Math

Joe picked leaves, he has 3 kinds. He has 2 times as many elm leaves as maple leaves, and 5 times as many oak leaves as maple. He has 32 leaves. How many of each kind does Joe have?
7. ### Geography

What is the difference between coniferous and deciduous trees?
8. ### math

Melissa collected three kinds of autumn leaves when she was out walking today -elm, maple, and oak. She has 2 times as many maple leaves as elm leaves and 5 times as many oak leaves as elm leaves. Altogether, she has 32 leaves. How …
9. ### math

Melissa collected three kinds of autumn leaves when she was out walking today -elm, maple, and oak. She has 2 times as many maple leaves as elm leaves and 5 times as many oak leaves as elm leaves. Altogether, she has 32 leaves. How …
10. ### Math

Melissa collected 3 kinds of autumn leaves when she was walking today- Elm,maple, and oak. She has 2 times as many maple leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does she have?

More Similar Questions