An experiment was performed to find the average speed of a grasshopper. The average speed has been plotted on the number line as marked by the arrow. What is the speed of the grasshopper in feet per second?

Q: a. A student performance in certain exam was 10/100, later he got a 98/100, discuss which is better…

A: Range is better than mean to reflect his performance because the mean of the two scores will not…

Q: Use this to predict the number of situps a person who watches 8 hours of TV can do (to one decimal…

A:

Q: nge receives an average in a given minute, the e calls;

A:

Q: dents should have an IQ sc

A: The mean of the bell -shaped distribution is μ=100. The standard deviation of the bell-shaped…

Q: A biologist exposed a certain type of bacteria to gamma radiation to see how long they would live.…

A: Given histogram is

Q: An earthquake was measured to have a magnitude of 4.8 on the Richter scale. Find the intensity of…

A: Given magnitude(M) of earthquake is

Q: A group of students practiced a series of trials at a shooting range. Their scores are plotted in…

A: The difference score of the group is obtained below: Difference=Group 2-Group 1=4-2=2

Q: The z value tells us the number of ____________ that a value of x is from the mean

A: The z value tells us the number of Standard Deviations that a value of x is from the mean

Q: In Excel, which one denoted a range from B1 through B5

A: In excel for defining the range we use : First value : Last value

Q: A helicopter is 66.0 mi due north of a VOR (Very high frequency Omnidirectional Range) station…

A: Solution:-

Q: Use this to predict the number of situps a person who watches 8.5 hours of TV can do (to one decimal…

A: The variable X is defined as the hours of TV watched per day, and Y is number of sit-ups a person…

Q: The amount of precipitation received at the Thunder Bay Airport during the month of June is measured…

A: Given that,  The amount of precipitation received at the thunder Bay Airport during the month june…

Q: What is the range? (Round off to one decimal place if necessary)

A: Calculate range from the following data1,2,2,3,3,4,4,5,6,6,7,7,7,7,8,8,8,9,9,10 Range=maximum…

Q: Naturalists in Central America observe a browm-throated sloth moving along the ground and determine…

A:

Q: The table below shows the heights (in feet) and

A: Given: Height, x 775 619 519 508 491 474 Stories, y 53 47 44 41 39 37 The estimated…

Q: Use this to predict the number of situps a person who watches 11 hours of TV can do (to one decimal…

A: Given: The regression equation is  y=ax+ba=-0.849b=33.579r2=0.853776r=-0.924

Q: Which of the following numbers has the greatest value?

A:

Q: Express the number as a ratio of integers.

A:

Q: where did you get the 10? in computing for the interquartile range

A: The given data values are, 7, 10, 8, 4, 11, 10, 6, 5 The ascending order of the data set is, 4, 5,6,…

Q: Use your calculator to estimate each of the following to the nearest one-thousandth. 123/5

A: Given:              1235

Q: What's the equation to find the frequency in excel sheets?

A: Frequency function can be used to find frequencies in Excel sheets. The frequency function…

Q: What is the missing value for x on the diaaram below

A: Given: Find: x

Q: A ball is dropped from a height of 10

A:

Q: If Greenwich Mean Time (GMT) is 6 A.M., what is the time at a place located 30° East longitude?

A: Solution:  The place located to the east would be ahead of GMT. Since each degree of longitude…

Q: In one of the labs, a student took multiple measurements for the length of a wooden board. The…

A: 1. Since , there are 6 observations are given . Our aim is to find the average length of the wooden…

Q: a tree casts an 18 foot shadow at the same time a 5¼ foot person casts a 2½ foot shadow. estimate…

A:

Q: Find the estimated mean speed

A: Given Information: Speed (mph) Cars 30-39 7 40-49 16 50-59 51 60-69 16 70-79 10 To…

Q: @ Show that & Cirrational numbers) is not negligible

A:

Q: If you average 30 mi / h on a 150-mi trip and then return over thesame 150 mi at the rate of 50 mi /…

A: Given, average speed is 30 mi / h on a 150-mi trip and then return over thesame 150 mi at the rate…

Q: show that the two formulae of the geometric mean are equal?

A: From the given information, Formula for geometric mean is given by;

Q: What makes a frequency table complete?

A: Frequency distribution Frequency distribution: The number of occurrence is known as frequency and…

Q: How is the number e defined?

A:

Q: A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is more…

A: Claim: the mean life of the battery for a certain model of laptop is more than 5 hours.

Q: The speed, in miles per hour, of 24 cars on a particular road are recorded and represented on the…

A:

Q: Find the value of x to the nearest tenth.

A:

Q: Use a calculator to find the measure of <T of the nearest tenth.

A: The triangle is right angled triangle. So we can use trigonometric ratios to find the angle as we…

Q: what is the difference between frequency and relative frequency?

A: To know the difference between frequency and relative frequency, we first need to know about…

Q: What is the relative frequency for the interval covered by the leftmost bar?  Give your answer to 3…

A: The count (frequency) for leftmost bar is 8. The Total count (total frequency) is 8+4+1+6+12+9+12+12…

Q: What is the formula to find the Mean?

A: The formula to find the mean as follows

Q: Referring to the table below, what is the frequency of the second class interval ?

A: The question is about frequency distribution Given :   To find : Frequency of second class interval

Q: The estimated mean (in km/hr) is:

A: here use  given data table for mean mean = ∑fm∑f

Q: Find the exact values below.

A: (i) Given,         sec7π6=

Q: Find the mean of these values assuming the first five values are each worth 10% and the last value…

A: We have the data set: 2, 6, 10, 14, 20, 32 We need to calculate the mean of these values assuming…

Q: what is the mean when pi= 0.25 and n=40?

A: Solution: From the given information, pi=0.25 and n=40.

Q: Students at a school have a mean height of 54" with a SD 5.7". Find each What number will be used to…

A:

Q: What is the measure of XZ? Answer to the nearest tenth.

A: From the given figure, it is observed that the triangles ∆XYW   and  ∆XZW are similar. That is, ∆XYW…

Q: The mean # of hours worked

A: To find the mean number of hours worked by college students outside the home: Mean is a measure of…

Q: For these data, make a frequency table and calculate the average

A:

Q: Chris is asked to find a geometric mean in JKL what is his error?

A:

Q: If we multiply the data values by a constant (say, c), how this will affect the geometric mean? Use…

A: From the given information, It has been given that,