The following data represent the number of corn plants in randomly sampled rows (a 17-foot-by-5-inch strip) for various plot types.PLOT TYPENUMBER OF PLANTSSludge Plot25 27 33 30 28 27Spring Disk32 30 33 35 34 34No Tll30 26 29 32 25 39Spring Chisele30 32 26 28 31 29Great Lakes Bt28 32 27 30 29 270001. Compute the mean (in 3 significant figures) for the following:(a) sludge plotBlank 1(b) No till Blank 2(c) Great Lakes Bt Blank 31. Determine the median of the spring chisele plot Blank 42. Determine the mode of spring disk plot. Blank 5.

1. (a) Mean for Smudge Plot is given by Mean=25+27+33+30+28+276=28.333 (b) Mean for No till is…

Answered: The following data represent the number…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A boat capsized and sank in a lake. Based on assumption of mean weight of 131 lb, the boat was rated to carry 70 passengers (so the load limit was 9,170 lb). After the boat sank, the assumed mean weight for similar boats was changed from 131 lb to 173 lb. Complete parts a and b below A. Assume that a similar boat is loaded with 70 passengers, and assume that the weight of people are normally distributed with a mean of 180.7 lb and a standard deviation of 39.2 lb. Find the probability that the boat is overloaded because the 70 passengers have a mean weight greater than 131 lb
tled1.tst 1 / 1 dent/Downloads/Math%201332%20Activity%20%236.pdf X 1 Find the mean, mode, median and midrange. 2) 2 Score Frequency 3 4 5 X 6 Math 1332 Activity #6.pdf: 6231- 7 8 9 10 119% + B HLSATOOGEE f 1 5 4 7 6 10 12 11
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Here is a data set summarized as a stem-and-leaf plot: 5 0011133489 6 001334556788999 7 02589 8 039 How many data values are in this data set? n=n= What is the minimum value in the last class? What is the minimum value in the entire sample? How many of the original values are greater than 70?
Need to show all work such as calculator steps.
The distance (in miles) travelled by 88 vehicles were inputted into Minitab for analysis. A Stem and Leaf plot of these distances (in miles) is presented below in Figure 1Stem-and-Leaf DisplayLeaf Unit = 10.0 N= ?1 0 71 12 1 82 24 2 888 3 022311 3 56719 4 0000133437 4 555555556667777888(??) 5 00011222333334436 5 5556678828 6 0000000000112344411 6 6667885 7 00021 7 51. Calculate the missing values “?” and“??”2. What is the median?
Here is a data set summarized as a stem-and-leaf plot: 6# | 23444599 7# | 0001123444566789 8# | 09999 9# | 255How many data values are in this data set? n=n= What is the minimum value in the last class? ans = What is the frequency of the class with the most values? frequency = How many of the original values are greater than 70? ans =
7. Did plant height of the Alpine ecotype of cinquefoil vary between gardens? Provide justification for your answer including appropriate screenshots of text output and figures from R. The height of the Alpine ecotype cinquefoil does vary. Week 1 Assignment: Characterizing Populations > Ichistan; uchstan # Stanford garden [1] 25.78633 [1] 31.30598 Ich math; ucmath # Mather garden [1] 41.35308 [1] 48.65359 >chtimb; ultimb # Timberline garden [1] 23.81529 [1] 29.17042 Environment History Connections Tutorial Import Dataset ▾ 61 MiB List▾ Global Environment n.stan n. timb s.math 26L 28L 9.61125358120879 s.stan 6.70010332870954 s.timb 6.78079688157715 $1 17.3924278891305 $2 6 $3 97 54 $5 30.15 53 uc1.math uc1.stan ucl. timb x y1 y2 уз Functions 48.6535875829896 31.3059780687354 29.170424087752 ... num [1:141] 20 20.2 20.5 20.8 21 num [1:141] 1.98e-10 6.70e-10 2.19e... num [1:141] 1.86e-45 1.40e-44 1.04e... num [1:141] 8.29e-07 2.19e-06 5.55e... Height in cm 10 20 30 40 50 60 60 Mather…
Several methods of estimating the number of seeds in soil samples have been developed by ecologists. An article gave the accompanying data on the number of seeds detected by the direct method and by the stratified method for 27 soil specimens. Specimen 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Direct 21 33 0 60 20 61 40 8 13 93 1 68 77 21 Stratified 8 37 8 57 53 61 28 8 8 100 0 57 68 53 Specimen 15 Find the test statistic. (Round your answer to two decimal places.) t = 16 17 18 19 20 21 22 23 24 25 26 27 Direct Find the df. (Round your answer down to the nearest whole number.) df = 33 0 37 17 93 1 40 21 0 8 13 Use technology to find the P-value. (Round your answer to four decimal places.) P-value = 17 40 Stratified 28 0 37 13 93 13 48 21 0 13 40 Do the data provide sufficient evidence to conclude that the mean number of seeds detected differs for the two methods? Test the relevant hypotheses using a = 0.05. (Use direct stratified.) 13 77
5. An ecologist is studying the flower Iris versicolor. He measures the width and length of 100 petals of this flower from a large collection of specimens and obtains the following data. Width: AVG = 1.3 cm, SD = 0.2 cm Length: AVG = 4.3 cm, SD = 0.5 cm r = 0.65 One of the petals is at the 30th percentile of both width and length. Relative to all the petals at the 30th percentile width, this petal's length is (circle one) smaller than average about average larger than average Justify your answer using a written explanation and/or a diagram.

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