I need help completing the attached Math/Statistics assignment
1. This stem and leaf plot shows the height of several trees.
Height in Feet and Inches of Several Trees
|
5 |
0, 4, 8, 10, 11, 11 |
|
6 |
5 |
|
7 |
3, 5, 11 |
|
8 |
2, 5, 7, 7,9, 9 |
What is the number of trees that are LESS than 7 feet tall?
(a) 7
(b) 18
(c) 8
(d) 19
2. This stem-and-leaf plot above shows the house sale prices over the last week in Oxnard.
|
Stem (hundred thousands) |
Leaf (ten thousands) |
|
0 |
224667889 |
|
1 |
011223445667889 |
|
2 |
012234456799 |
|
3 |
01122344566699 |
What was the most expensive house sold in 300,000 range? Give your answer in dollars.
$——————————-
3. This stem-and-leaf plot shows the house sale prices over the last week in Tacoma. The stem is in hundreds of thousands of dollars the leaf is in tens of thousands of dollars.
What is the price of the most expensive house sold?
0|667778999
1|02447778889999
2|0011234445667889
3|00011224
$—————————-
4. Here is a data set summarized as a stem-and-lead plot:
6|0013445556
7|001111455667899
8|07999
9|479
Key: 4|5 = 45
How many data values are in this data set? N = ——————
What is the minimum value in the last row of the stem plot? ————–
What is the minimum value in the entire sample? ————-
How many of the original value are greater than 80? ———————-
5. The test scores for two algebra classes are shown in the stem and leaf below.
|
Test Scores |
||
|
Period 9 |
Period 10 |
|
|
9 7 4 1 |
5 |
6 |
|
8 7 6 |
6 |
1 5 |
|
7 5 1 0 |
7 |
0 4 6 |
|
5 1 |
8 |
0 2 4 |
|
8 6 1 |
9 |
2 3 4 6 |
|
10 |
0 0 |
Key: |2|3 = 23%
1|2| = 21%
A) How many students scored a 100% ————————
B) How many students in 9th period scored 80% or more? —————-
C) What was the lowest score in period 10? —————
D) Which period had more students take the test (select an answer)
6. Complete the stem plot for the following data.
|
45 |
61 |
33 |
43 |
58 |
|
42 |
47 |
57 |
34 |
67 |
|
34 |
36 |
35 |
47 |
37 |
|
59 |
40 |
43 |
49 |
49 |
|
45 |
51 |
46 |
67 |
35 |
|
51 |
46 |
42 |
33 |
40 |
3# |33445567
4# | 00223355667799
5# | 11789
6# | ——————————-
7. Here is a data set:
|
31 |
36 |
26 |
34 |
45 |
|
41 |
25 |
33 |
59 |
20 |
|
21 |
37 |
33 |
27 |
39 |
|
40 |
47 |
34 |
25 |
35 |
|
48 |
39 |
29 |
38 |
35 |
|
25 |
51 |
35 |
56 |
30 |
You are examining the data with a stem-and-leaf plot. Here is the start of the plot. Finish the plot.
2# | 01555679
3# | 01334445567899
4# | 01578
5# | ————————–
