
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Xiao Ming collected 20 pieces of data in a survey, as follows:  
$95\ \ \ 91\ \ \ 93\ \ \ 95\ \ \ 97\ \ \ 99\ \ \ 95\ \ \ 98\ \ \ 90\ \ \ 99$  
$96\ \ \ 94\ \ \ 95\ \ \ 97\ \ \ 96\ \ \ 92\ \ \ 94\ \ \ 95\ \ \ 96\ \ \ 98$  
$(1)$ When constructing a frequency distribution table with a class interval of $2$, how many classes should it be divided into?  
$(2)$ What is the frequency and relative frequency of the class interval $94.5\sim 96.5$?

Present the answer in LaTex format: \boxed{Your answer}
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