A medical researcher wants to determine if there is a relationship between the age group in which a patient falls and whether they show symptoms when they test positive for cooties. Given the following table, use the Chi-Square test to determine if there is a dependent relationship between age and the occurrence of symptoms. Age 0-18 years 19-60 years Over 60 No Symptoms 15 61 14 Light Symptoms 22 85 18 7) Compute the Chi-Square test statistic. Heavy Symptoms 15 57 13 8) Comparing the critical value X² = 9.488, what is your conclusion about whether there is a relationship between someone's age and the severity of their symptoms?

Q: Find the missing measures

A:

Q: What is the class boundaries, mid point and width for the class 12.3-15.9

A: According to the given information in this question We need to find class boundaries, mid point and…

Q: How do you list outcomes in Ec format?

A: Let us assume the universal set is U={1, 2, 3, 4, 5, 6, 7, 8, 9, 10}   Let us consider the event E=…

Q: Other Senior Screen Time, AJ's Screen Time and Difference (AJ-Others) 150 100 50 -50 12 Other Senior…

A: The graphs are used to visualize the nature of the given dataset using the pattern that is obtained…

Q: 10 10 5. 5.

A: Answer

Q: -6 3 4 5 6 -1 -2

A: The graph of the function fx is To evaluate: The value of limx→-2fx

Q: Refer to the diagram above. Write the set of vertices V and the set of edges E in the figure above.…

A:

Q: 7 L-1{- 3 1 s2 – 49 s3 5s + 10 |

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: What are the modes of classification?

A:

Q: What is the medium of these figure skating ratings? 5.0,6.0, 7.0, 7.5, 8.0, 9.0, 10.0?

A: The given data is already arranged in ascending order.5.0 , 6.0, 7.0, 7.5, 8.0, 9.0, 10.0

Q: If we have the circle (z-1) +(y– 1) = 25 and we intersect it with line y=4 what are the two…

A: Solution:Given(x-1)2+(y-1)2=25  and y=4To find the intersecting points.

Q: how do you determine part e?

A: Refer to part (a) x0.71.42.12.8Totalf(x)0.250.250.250.251It is 3:00 pm and service technicians…

Q: What is the  ????  observation 1=     ???? observation 2=

A: The first observation is the correlation coefficient which is calculated using R software and the…

Q: 3.

A:

Q: What is the meaning of algebera

A:

Q: What is the mode of the following: 49, 74, 99, 74, 74, 10, 65, 49, 51

A: Mode: The number that appears most frequently in the data set is called as Mode. Given data, 49, 74,…

Q: Twelve different video games showing violence were observed. The duration times of violence were…

A: The level of significance (α) is 0.01.

Q: Refer to the diagram above. a. Find the set of vertices that are reachable from the vertex Village.…

A:

Q: 6. Suppose that P(E)=0.61, P(F) = 0.43, and P(EF) = 0.27. Find the following:

A: 6) Given,P(E) = 0.61P(F) = 0.43And 0.27Using formula,

Q: A student obtained the following: 3 credit course A 2 credit course B 1 credit course B Calculate…

A: Given, Student credit scores  for different courses, For course A = 3 credit For course B = 2 credit…

Q: Which region or regions showed difference in the average money spent during visit by region.

A: The Tukey HSD results show that there is a significant difference in the average money spent during…

Q: What is meant by classification?

A:

Q: find 2nd deciels for given data 12,15,4,69,85,63,34,75,62,69,74,52,16,46,42

A:

Q: measure of dispersion 7, 11, 15, 15, 17, 19, 21

A: Note: Commonly used measure of dispersion is standard deviation. Given data: 7, 11, 15, 15, 17, 19,…

Q: find mode of data  45,45,12,1,,4,5,6,7,8,45,56,789,65,45,23,12.97

A:

Q: 4. Describe how you collected your sample, do you think your sample is represen Discuss any sources…

A: Given a Pie Chart, we can get easily the proportions of sunfish, bass and carp

Q: 5 project topic ideas for final year statistics/ actuarial science student

A: A project topic in the research area consist some principle or statement on which the investigation…

Q: Q18. What is the probability that a student received grade A, i.e., P(A) is Q19. What is the…

A: We are given the scores of n = 16 students in all Out of the 16 students, 11 received grade A, 2…

Q: What are the favorite sports of the high school across Harlem Children Zone?

A: Basketball is a popular sport in the high schools inside the Harlem Children's Zone, with a strong…

Q: median from 2, 3, 3, 2, 3, 4, 5, 4, 5

A: Median : First arrange given data in ascending order.   Median = n+12th ordered value, if n is…

Q: Find the mode of the following data 84,83,73,73,84,73,73

A: Data : 84,83,73,73,84,73,73

Q: Find the mode of these test scores: Test scores 100,75,80,90,80, 100,92,88,80,84,81

A: Test scores 100,75,80,90,80, 100,92,88,80,84,81

Q: How to draw bar chart month by month? Thanks

A: Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Total 2022 187136 198553 205691 186808 190578…

Q: Mean=5 Mode=1 9,3,1,6, _,_, What are the two missing numbers

A: Step 1: Define the mean and the modeThe mean is the sum of all the values divided by the number of…

Q: x1: New England Crime Rate 3.3, 3.7, 4.0, 4.1, 3.3, 4.1, 1.8, 4.8, 1.9, 3.1 x2: Rocky Mountain…

A: To find: 1.Value of test statistics 2. 98% confidence interval As here population standard deviation…

Q: Find de mean, median, and more, 3,6,7,3,9,8,3,7 5

A:

Q: 2. Use the following information to find your course average: Homework: 83, 92, 95, 90 Test Grades:…

A: Measures of Central Tendency: A measure of central tendency represents the central value or typical…

Q: What is the complete subject of “school dances create a fun environment for meeting new friends.”

A: We have to write the complete subject of “school dances create a fun environment for meeting new…

Q: A(-1;0), B(1;2) and C(3; 4) By 5.0 o ot slum d vig iniol nioq

A:

Q: Trying to answer c)

A: Refer Standard normal table/Z-table, Lookup for z-score corresponding to area 0.10 to the left of…

Q: Mode of the data 15, 14, 19, 20, 16, 15, 16, 14, 15, 18, 14, 19, 16, 17, 16 is

A: