Given a variable that has at distribution with the specified degrees of freedom, what percentage of the time will its value fall in the indicated region? a. 10 df, between −1.81 and 1.81 b. 10 df, between −2.23 and 2.23 c. 24 df, between −2.06 and 2.06

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: The formula of the correlation coefficient is:

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: The objective of this question is to find the equation of the least squares line y = a + bx, where…

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A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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A: Concept of General Addition Rule:For any two events A and B the General Addition Rule state that:

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Q: v a candy A. 0.4655 v a blue MnM B. 0.0169 v a MnM C. 0.0482 D. 0.0000 v a red candy E. 0.0166 v a…

A: Here AS PER POLICY I SHOULD HAVE TO CALCULATE 3 SUBPART ONLY EVEN THOUGH I HAVE CALCULATED MORE PLZ…

Q: Calcium is essential to tree growth because it promotes the formation of wood and maintains cell…

A: Given: n=10

Q: Calculate the standard score of the given x value, x=41.3x=41.3, where x‾=41.4x‾=41.4, s=6.8s=6.8.…

A: Givenx=41.3Mean(x)=41.4standard deviation(s)=6.8

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: We have to find correlation coefficient ( r ). Formula :

Q: x 5.75 6.25 6.75 7.75 8.25 y 31 26 38 74 72 ​ Find the value of the coefficient of…

A: It is an important part of statistics. It is widely used.

Q: out 118 em as a percentage of 16. Home values in Middletown have declined 7% per year for each of…

A: Since you have posted a multiple question according to guildlines I will solve first (Q16)question…

Q: Suppose you computed r=−0.285 using n=13 data points that were collected when studying the…

A: Given information n = 13  r=−0.285 df = n - 2 = 13 - 2 = 11 Given values df12345678910CV (+ and…

Q: Given the following pairs of z-values, find the area under the normal curve between each pair of…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: Find the value of the test statistic z. Round to three decimal places.   The claim is that the…

A: We have to find test statistics.

Q: What percentage of the variation in y can be explained by the corresponding variation in x and the…

A: It is given that X be the elevation for an archaeological site in the southwestern United States Y…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: From the provided information, x y 5.75 31 6.25 26 6.75 38 7.75 74…

Q: On a scale of 0 to 10, a college student rated her enjoyment of statistics as a 7. The average…

A: Let a collage student rated her enjoyment of statistics as a 7. The average rating among college…

Q: best tools, pottery, and household items when they visited higher elevations for their summer camps.…

A: Given Enter the given data into Excel

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A:

Q: A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study. Based…

A: Given,df = (2, 18)i.e.,Treatment df=2Error df=18total df= 2+18=20

Q: urchased large of 12-inch balloons. He randomly selected 10 balloons from the bag and then randomly…

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Q: Find the  z -score for which  95%  of the distribution's area lies to its right.       −1.36…

A: given data  standard normal distribution  Z~N(0,1) area to the right of z = 0.95 Z = ?

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A: Solution

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A: Given that mu =5.3 , sigma( x bar ) =0.316 p(x bar >=5.3) = ?

Q: Find the equation of the least squares liney=a+bx. Round a and b to three decimal places. O-83.789+…

A: Given that    X Y X \cdot YX⋅Y X^2X2   5.25 39 204.75 27.5625   5.50 54 297 30.25   5.75 31…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: The method of least squares  is a standard approach in regression analysis to approximate the…

Q: nd the​ z-scores that correspond to the percentage of adult spiders that have carapace lengths…

A: Use the standard normal table, to find the required probability/proportion. Thus, We know that,…

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Q: What proportion of Z-scores are outside the interval Z = −2.2 and Z = 2.2?  Round to 4 decimal…

A: Given that, z=-2.2 and z=2.2 we have to find out proportion of Z-scores are outside the interval Z =…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: Given data is : x 5.50 6.50 7.25 8.00 8.75 y 10 41 53 89 89

Q: Suppose you have four classifications: freshmen (f), sophomore (so), junior (j), and senior (se).…

A: Solution.

Q: 20,17,15,15,22,21,16,16,20,22,15,21 Give the test statistic for this hypothesis test. Choose the…

A: It is given that the sample data of size 12 is 20,17,15,15,22,21,16,16,20,22,15,21 Here, the…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: Answer:              29.00     Explanation: Let y= 6   15   14    52      58 Here we want to…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: It is given that r=0.592,r2=0.35.

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: Solution:Straight line equation is y=a+bx.The normal equations are∑y=an+b∑x∑xy=a∑x+b∑x^2The values…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A:

Q: The acceptable level for insect filth in a certain food item is 5 insect fragments (larvae, eggs,…

A:

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: Here first we calculate the slope "b" of the least-squares regression line. The table of…

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A: variance=∑(x-x¯)2nstandard deviation=∑(x-x¯)2nlet us find x¯=sum of all obervationsn=22.46=3.733…

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: Use EXCEL to obtain the value of coefficient of determination   EXCEL procedure:   Go to EXCEL Go…

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A:

Q: It is thought that prehistoric Indians did not take their best tools, pottery, and household items…

A: Given Information:  x 5.00 5.25 5.75 6.75 7.00 y 8 15 13 49 71