The geyser Old Faithful in Yellowstone National Park alternates periods of eruption, which typically last from 1.5 to 4 minutes, with periods of dormancy, which are considerably longer. The following table presents the durations, in minutes, of 30 dormancy periods that occurred during a recent year.| 93 | 96 | 59 | 88 | 97 | 83 | 96 | 97 | 83 ||----|----|----|----|----|----|----|----|----|| 93 | 81 | 91 | 93 | 103 | 59 | 105 | 81 | 91 || 116 | 61 | 66 | 71 | 96 | 91 | 61 | 93 | 66 || 99 | 90 | 90 | | | | | | |This table provides valuable data reflecting the geyser's dormancy periods, which are important for understanding its natural cycle and aiding in predicting future eruptions. Certainly! Here's a transcription and explanation suitable for an educational website:---**Frequency Distribution Construction Exercise****Task**: Construct a frequency distribution using a class width of 5, with 55 as the lower class limit for the first class.**Table Structure**:- **Columns**: - **Dormancy Period**: This column represents the classes of the dormancy periods. Each class is defined by a range of values. - **Frequency**: This column is for recording the count of observations within each class.**Table Keys**:- The frequency distribution table is blank, with placeholders for data entry. You are expected to fill in these details based on the given data set and specifications.**Instructions**:1. Start with a lower class limit of 55.2. Add the class width of 5 to define each subsequent class.3. Count the number of data points that fall into each class to fill in the frequency column.This exercise helps in understanding how to organize data into a frequency distribution, which is a foundational skill in statistical analysis.--- Ensure to follow the instructions and key columns carefully to fill in the table accurately.

The question is about frequency distribution.Given :Class width = 5Lower limit of the first class =…

Answered: The geyser Old Faithful in Yellowstone…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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QUESTION 8 Series A 300 250 200 150 100 50 1 2 3 4 5 6 7 8 9 10 11 12 13 Which forecasting method would be most appropriate for time series A? a. Winter's b. Holt's c. SARIMA
QUESTION 3 The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature x1, the number of days in the month x), the average product purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. 240 25 24 91 100 31 236 290 21 90 95 110 45 24 88 274 60 25 87 88 301 65 25 91 94 316 72 94 26 25 25 99 97 300 80 87 296 84 86 96 267 75 24 88 110 276 60 25 91 105 288 261 50 25 90 100 38 23 89 98 If y= ao+@1X1+a2x2+@3X3+ a4X4 represents the regression model. What is the value of a4? Use 4 decimal places.
Use Table 12-2 to calculate the present value (in $) of the ordinary annuity. (Round your answer to the nearest cent.) Nominal Annuity Payment Payment Frequency Time Interest Present Value Period (years) Rate (%) Compounded of the Annuity $4,000 every year 20 4 annually
Question 3 A statistics instructor at a large western university would like to examine the relationship (if any) between the number of optional homework problems students do during the semester and their final course grade. She randomly selects 12 students for study and asks them to keep track of the number of these problems completed during the course of the semester. At the end of the class each student's total marks is recorded along with their final grade. The data follow in Table 2. Table 2 Problem Course Grade 62 51 58 62 68 66 65 68 76 77 66 67 72 73 72 78 73 76 78 78 84 85 91 75 Use the regression equation to preaict a student's final course grade if 75 optional homework assignments are done. ix. Use the regression equation to compute the number of optional homework assignments that need to be completed if a student expects an 85. vii.
A b c
question 5
An annual marathon covers a route that has a distance of approximately 26 miles. Winning times for this marathon are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. Earlier Period 10 8 14 20 16 17 21 21 18 1218 13 16 24 17 15 15 16 19 6 Recent Period 12 10 8 9 9 9 8 8 8 109 9 9 7 7 13 13 8 7 7 (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. Use two lines per stem. (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. Use two lines per stem. (c) Compare the two distributions. How many times under 15 minutes are in each distribution?
Question 28 b,c, and d
please show work
An annual marathon covers a route that has a distance of approximately 26 miles. Winning times for this marathon are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. Earlier Period: 15 19 6 13 10 16 7 17 14 16 23 14 13 20 18 23 22 10 16 13 Recent Period: 7 11 8 9 10 7 10 7 8 14 7 9 7 9 9 9 14 8 9 8 (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks. For more details, view How to Split a Stem.) Minutes Beyond 2 Hours - EARLIER PERIOD 0 NONE 0 6 7 1 ? 1 ? 2 0 2 3 3 2 NONE (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.) Minutes…

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